diff --git a/.github/ISSUE_TEMPLATE/flaky.yml b/.github/ISSUE_TEMPLATE/flaky.yml
index 9cc9046a6ece..bff560770675 100644
--- a/.github/ISSUE_TEMPLATE/flaky.yml
+++ b/.github/ISSUE_TEMPLATE/flaky.yml
@@ -18,7 +18,7 @@ body:
     id: job-name
     attributes:
       label: Name of Job
-      placeholder: Build & Test / Nextjs (Node 10) Tests
+      placeholder: Build & Test / Nextjs (Node 14) Tests
       description: name of job as reported in the status report
     validations:
       required: true
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c258e5066239..d79d61060c95 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -523,7 +523,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [8, 10, 12, 14, 16, 18, 20, 21]
+        node: [14, 16, 18, 20, 21]
     steps:
       - name: Check out current commit (${{ needs.job_get_metadata.outputs.commit_label }})
         uses: actions/checkout@v4
@@ -540,9 +540,7 @@ jobs:
       - name: Run tests
         env:
           NODE_VERSION: ${{ matrix.node }}
-        run: |
-          [[ $NODE_VERSION == 8 ]] && yarn add --dev --ignore-engines --ignore-scripts --ignore-workspace-root-check ts-node@8.10.2
-          yarn test-ci-node
+        run: yarn test-ci-node
       - name: Compute test coverage
         uses: codecov/codecov-action@v4
         with:
@@ -585,7 +583,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [10, 12, 14, 16, 18, 20, 21]
+        node: [14, 16, 18, 20, 21]
     steps:
       - name: Check out current commit (${{ needs.job_get_metadata.outputs.commit_label }})
         uses: actions/checkout@v4
@@ -874,7 +872,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [10, 12, 14, 16, 18, 20, 21]
+        node: [14, 16, 18, 20, 21]
         typescript:
           - false
         include:
diff --git a/dev-packages/node-integration-tests/suites/express/tracing-experimental/test.ts b/dev-packages/node-integration-tests/suites/express/tracing-experimental/test.ts
index 526a211033a0..ca3ff93435c8 100644
--- a/dev-packages/node-integration-tests/suites/express/tracing-experimental/test.ts
+++ b/dev-packages/node-integration-tests/suites/express/tracing-experimental/test.ts
@@ -1,7 +1,6 @@
-import { conditionalTest } from '../../../utils';
 import { cleanupChildProcesses, createRunner } from '../../../utils/runner';
 
-conditionalTest({ min: 14 })('express tracing experimental', () => {
+describe('express tracing experimental', () => {
   afterAll(() => {
     cleanupChildProcesses();
   });
diff --git a/dev-packages/node-integration-tests/suites/tracing-experimental/apollo-graphql/test.ts b/dev-packages/node-integration-tests/suites/tracing-experimental/apollo-graphql/test.ts
index 230c4cd4dac3..ad32799a5e79 100644
--- a/dev-packages/node-integration-tests/suites/tracing-experimental/apollo-graphql/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing-experimental/apollo-graphql/test.ts
@@ -1,7 +1,6 @@
-import { conditionalTest } from '../../../utils';
 import { createRunner } from '../../../utils/runner';
 
-conditionalTest({ min: 14 })('GraphQL/Apollo Tests', () => {
+describe('GraphQL/Apollo Tests', () => {
   test('CJS - should instrument GraphQL queries used from Apollo Server.', done => {
     const EXPECTED_TRANSACTION = {
       transaction: 'Test Transaction',
diff --git a/dev-packages/node-integration-tests/suites/tracing-experimental/hapi/test.ts b/dev-packages/node-integration-tests/suites/tracing-experimental/hapi/test.ts
index 148bf83bb397..93e3203f6470 100644
--- a/dev-packages/node-integration-tests/suites/tracing-experimental/hapi/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing-experimental/hapi/test.ts
@@ -1,9 +1,8 @@
-import { conditionalTest } from '../../../utils';
 import { cleanupChildProcesses, createRunner } from '../../../utils/runner';
 
 jest.setTimeout(20000);
 
-conditionalTest({ min: 14 })('hapi auto-instrumentation', () => {
+describe('hapi auto-instrumentation', () => {
   afterAll(async () => {
     cleanupChildProcesses();
   });
diff --git a/dev-packages/node-integration-tests/suites/tracing-experimental/mongodb/test.ts b/dev-packages/node-integration-tests/suites/tracing-experimental/mongodb/test.ts
index 83018f4c9a3d..b8c16862c34c 100644
--- a/dev-packages/node-integration-tests/suites/tracing-experimental/mongodb/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing-experimental/mongodb/test.ts
@@ -1,11 +1,10 @@
 import { MongoMemoryServer } from 'mongodb-memory-server-global';
 
-import { conditionalTest } from '../../../utils';
 import { cleanupChildProcesses, createRunner } from '../../../utils/runner';
 
 jest.setTimeout(20000);
 
-conditionalTest({ min: 14 })('MongoDB experimental Test', () => {
+describe('MongoDB experimental Test', () => {
   let mongoServer: MongoMemoryServer;
 
   beforeAll(async () => {
diff --git a/dev-packages/node-integration-tests/suites/tracing-experimental/mongoose/test.ts b/dev-packages/node-integration-tests/suites/tracing-experimental/mongoose/test.ts
index 1a246d8ec5b9..050a3ffc9e12 100644
--- a/dev-packages/node-integration-tests/suites/tracing-experimental/mongoose/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing-experimental/mongoose/test.ts
@@ -1,11 +1,10 @@
 import { MongoMemoryServer } from 'mongodb-memory-server-global';
 
-import { conditionalTest } from '../../../utils';
 import { cleanupChildProcesses, createRunner } from '../../../utils/runner';
 
 jest.setTimeout(20000);
 
-conditionalTest({ min: 14 })('Mongoose experimental Test', () => {
+describe('Mongoose experimental Test', () => {
   let mongoServer: MongoMemoryServer;
 
   beforeAll(async () => {
diff --git a/dev-packages/node-integration-tests/suites/tracing-experimental/mysql/test.ts b/dev-packages/node-integration-tests/suites/tracing-experimental/mysql/test.ts
index 84c63a30ff68..530349ae3fb7 100644
--- a/dev-packages/node-integration-tests/suites/tracing-experimental/mysql/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing-experimental/mysql/test.ts
@@ -1,7 +1,6 @@
-import { conditionalTest } from '../../../utils';
 import { cleanupChildProcesses, createRunner } from '../../../utils/runner';
 
-conditionalTest({ min: 14 })('mysql auto instrumentation', () => {
+describe('mysql auto instrumentation', () => {
   afterAll(() => {
     cleanupChildProcesses();
   });
diff --git a/dev-packages/node-integration-tests/suites/tracing-experimental/mysql2/test.ts b/dev-packages/node-integration-tests/suites/tracing-experimental/mysql2/test.ts
index 28209009b03e..db056fd222e8 100644
--- a/dev-packages/node-integration-tests/suites/tracing-experimental/mysql2/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing-experimental/mysql2/test.ts
@@ -1,7 +1,6 @@
-import { conditionalTest } from '../../../utils';
 import { cleanupChildProcesses, createRunner } from '../../../utils/runner';
 
-conditionalTest({ min: 14 })('mysql2 auto instrumentation', () => {
+describe('mysql2 auto instrumentation', () => {
   afterAll(() => {
     cleanupChildProcesses();
   });
diff --git a/dev-packages/node-integration-tests/suites/tracing-experimental/postgres/test.ts b/dev-packages/node-integration-tests/suites/tracing-experimental/postgres/test.ts
index 117a5d80ac02..d83f992638d1 100644
--- a/dev-packages/node-integration-tests/suites/tracing-experimental/postgres/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing-experimental/postgres/test.ts
@@ -1,7 +1,6 @@
-import { conditionalTest } from '../../../utils';
 import { createRunner } from '../../../utils/runner';
 
-conditionalTest({ min: 14 })('postgres auto instrumentation', () => {
+describe('postgres auto instrumentation', () => {
   test('should auto-instrument `pg` package', done => {
     const EXPECTED_TRANSACTION = {
       transaction: 'Test Transaction',
diff --git a/dev-packages/node-integration-tests/suites/tracing-new/apollo-graphql/test.ts b/dev-packages/node-integration-tests/suites/tracing-new/apollo-graphql/test.ts
index bcddfd588447..bcf16ca1dfb4 100644
--- a/dev-packages/node-integration-tests/suites/tracing-new/apollo-graphql/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing-new/apollo-graphql/test.ts
@@ -1,8 +1,6 @@
-import { TestEnv, assertSentryTransaction, conditionalTest } from '../../../utils';
+import { TestEnv, assertSentryTransaction } from '../../../utils';
 
-// Node 10 is not supported by `graphql-js`
-// Ref: https://github.com/graphql/graphql-js/blob/main/package.json
-conditionalTest({ min: 12 })('GraphQL/Apollo Tests', () => {
+describe('GraphQL/Apollo Tests', () => {
   test('should instrument GraphQL and Apollo Server.', async () => {
     const env = await TestEnv.init(__dirname);
     const envelope = await env.getEnvelopeRequest({ envelopeType: 'transaction' });
diff --git a/dev-packages/node-integration-tests/suites/tracing-new/auto-instrument/mongodb/test.ts b/dev-packages/node-integration-tests/suites/tracing-new/auto-instrument/mongodb/test.ts
index d2ce56f314ee..76ae4706eeb0 100644
--- a/dev-packages/node-integration-tests/suites/tracing-new/auto-instrument/mongodb/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing-new/auto-instrument/mongodb/test.ts
@@ -1,11 +1,11 @@
 import { MongoMemoryServer } from 'mongodb-memory-server-global';
 
-import { TestEnv, assertSentryTransaction, conditionalTest } from '../../../../utils';
+import { TestEnv, assertSentryTransaction } from '../../../../utils';
 
 // This test can take longer.
 jest.setTimeout(15000);
 
-conditionalTest({ min: 12 })('MongoDB Test', () => {
+describe('MongoDB Test', () => {
   let mongoServer: MongoMemoryServer;
 
   beforeAll(async () => {
diff --git a/dev-packages/node-integration-tests/suites/tracing-new/prisma-orm/test.ts b/dev-packages/node-integration-tests/suites/tracing-new/prisma-orm/test.ts
index 4a76f328dd34..0d969c262413 100644
--- a/dev-packages/node-integration-tests/suites/tracing-new/prisma-orm/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing-new/prisma-orm/test.ts
@@ -1,6 +1,6 @@
-import { TestEnv, assertSentryTransaction, conditionalTest } from '../../../utils';
+import { TestEnv, assertSentryTransaction } from '../../../utils';
 
-conditionalTest({ min: 12 })('Prisma ORM Integration', () => {
+describe('Prisma ORM Integration', () => {
   test('should instrument Prisma client for tracing.', async () => {
     const env = await TestEnv.init(__dirname);
     const envelope = await env.getEnvelopeRequest({ envelopeType: 'transaction' });
diff --git a/dev-packages/node-integration-tests/suites/tracing/apollo-graphql/test.ts b/dev-packages/node-integration-tests/suites/tracing/apollo-graphql/test.ts
index bcddfd588447..bcf16ca1dfb4 100644
--- a/dev-packages/node-integration-tests/suites/tracing/apollo-graphql/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing/apollo-graphql/test.ts
@@ -1,8 +1,6 @@
-import { TestEnv, assertSentryTransaction, conditionalTest } from '../../../utils';
+import { TestEnv, assertSentryTransaction } from '../../../utils';
 
-// Node 10 is not supported by `graphql-js`
-// Ref: https://github.com/graphql/graphql-js/blob/main/package.json
-conditionalTest({ min: 12 })('GraphQL/Apollo Tests', () => {
+describe('GraphQL/Apollo Tests', () => {
   test('should instrument GraphQL and Apollo Server.', async () => {
     const env = await TestEnv.init(__dirname);
     const envelope = await env.getEnvelopeRequest({ envelopeType: 'transaction' });
diff --git a/dev-packages/node-integration-tests/suites/tracing/auto-instrument/mongodb/test.ts b/dev-packages/node-integration-tests/suites/tracing/auto-instrument/mongodb/test.ts
index d2ce56f314ee..76ae4706eeb0 100644
--- a/dev-packages/node-integration-tests/suites/tracing/auto-instrument/mongodb/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing/auto-instrument/mongodb/test.ts
@@ -1,11 +1,11 @@
 import { MongoMemoryServer } from 'mongodb-memory-server-global';
 
-import { TestEnv, assertSentryTransaction, conditionalTest } from '../../../../utils';
+import { TestEnv, assertSentryTransaction } from '../../../../utils';
 
 // This test can take longer.
 jest.setTimeout(15000);
 
-conditionalTest({ min: 12 })('MongoDB Test', () => {
+describe('MongoDB Test', () => {
   let mongoServer: MongoMemoryServer;
 
   beforeAll(async () => {
diff --git a/dev-packages/node-integration-tests/suites/tracing/prisma-orm/test.ts b/dev-packages/node-integration-tests/suites/tracing/prisma-orm/test.ts
index 4a76f328dd34..0d969c262413 100644
--- a/dev-packages/node-integration-tests/suites/tracing/prisma-orm/test.ts
+++ b/dev-packages/node-integration-tests/suites/tracing/prisma-orm/test.ts
@@ -1,6 +1,6 @@
-import { TestEnv, assertSentryTransaction, conditionalTest } from '../../../utils';
+import { TestEnv, assertSentryTransaction } from '../../../utils';
 
-conditionalTest({ min: 12 })('Prisma ORM Integration', () => {
+describe('Prisma ORM Integration', () => {
   test('should instrument Prisma client for tracing.', async () => {
     const env = await TestEnv.init(__dirname);
     const envelope = await env.getEnvelopeRequest({ envelopeType: 'transaction' });
diff --git a/packages/angular/package.json b/packages/angular/package.json
index d6668d7c2af0..69073a5e1e07 100644
--- a/packages/angular/package.json
+++ b/packages/angular/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "main": "build/bundles/sentry-angular.umd.js",
   "module": "build/fesm2015/sentry-angular.js",
diff --git a/packages/browser/package.json b/packages/browser/package.json
index db4a7315a346..7dbe81061ad8 100644
--- a/packages/browser/package.json
+++ b/packages/browser/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/bun/package.json b/packages/bun/package.json
index 74ccdc24611e..bac554fee6dd 100644
--- a/packages/bun/package.json
+++ b/packages/bun/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/core/package.json b/packages/core/package.json
index 24b1157174e6..3bd1182f7931 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/eslint-config-sdk/package.json b/packages/eslint-config-sdk/package.json
index 0849cfc388b1..74a0159579d3 100644
--- a/packages/eslint-config-sdk/package.json
+++ b/packages/eslint-config-sdk/package.json
@@ -12,7 +12,7 @@
     "sentry"
   ],
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "src"
diff --git a/packages/eslint-plugin-sdk/package.json b/packages/eslint-plugin-sdk/package.json
index e5c16a64c307..ec06cadca350 100644
--- a/packages/eslint-plugin-sdk/package.json
+++ b/packages/eslint-plugin-sdk/package.json
@@ -12,7 +12,7 @@
     "sentry"
   ],
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "src"
diff --git a/packages/gatsby/package.json b/packages/gatsby/package.json
index 4fca577e0bc8..998efebd193d 100644
--- a/packages/gatsby/package.json
+++ b/packages/gatsby/package.json
@@ -11,7 +11,7 @@
     "gatsby-plugin"
   ],
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/hub/package.json b/packages/hub/package.json
index b3dcf9f3045f..1d51f3adb0be 100644
--- a/packages/hub/package.json
+++ b/packages/hub/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/integrations/package.json b/packages/integrations/package.json
index c232487a6e95..b016aaf1d9e8 100644
--- a/packages/integrations/package.json
+++ b/packages/integrations/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/nextjs/package.json b/packages/nextjs/package.json
index 59a83f0b80a9..3f6ef36ca15f 100644
--- a/packages/nextjs/package.json
+++ b/packages/nextjs/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "main": "build/cjs/index.server.js",
   "module": "build/esm/index.server.js",
diff --git a/packages/nextjs/test/integration/test/server/doubleEndMethodOnVercel.test.ts b/packages/nextjs/test/integration/test/server/doubleEndMethodOnVercel.test.ts
index 07b70e61e036..5bc1aed6536e 100644
--- a/packages/nextjs/test/integration/test/server/doubleEndMethodOnVercel.test.ts
+++ b/packages/nextjs/test/integration/test/server/doubleEndMethodOnVercel.test.ts
@@ -4,10 +4,6 @@ import { NextTestEnv } from './utils/helpers';
 // `res.send` multiple times in one request handler.
 //  https://github.com/getsentry/sentry-javascript/issues/6670
 it.skip('should not break API routes on Vercel if people call res.json or res.send multiple times in one request handler', async () => {
-  if (process.env.NODE_MAJOR === '10') {
-    console.log('not running doubleEndMethodOnVercel test on Node 10');
-    return;
-  }
   const env = await NextTestEnv.init();
   const url = `${env.url}/api/doubleEndMethodOnVercel`;
   const response = await env.getAPIResponse(url);
diff --git a/packages/node/README.md b/packages/node/README.md
index cab92a553d25..0fdf96a4aa34 100644
--- a/packages/node/README.md
+++ b/packages/node/README.md
@@ -18,7 +18,7 @@
 ## Usage
 
 To use this SDK, call `init(options)` as early as possible in the main entry module. This will initialize the SDK and
-hook into the environment. Note that you can turn off almost all side effects using the respective options.
+hook into the environment. Note that you can turn off almost all side effects using the respective options. Minimum supported Node version is Node 14.
 
 ```javascript
 // CJS syntax
diff --git a/packages/node/package.json b/packages/node/package.json
index 6b538d1a2246..28d51122a57c 100644
--- a/packages/node/package.json
+++ b/packages/node/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/node/test/async/hooks.test.ts b/packages/node/test/async/hooks.test.ts
index f016a7087e4f..513abd2b0ccb 100644
--- a/packages/node/test/async/hooks.test.ts
+++ b/packages/node/test/async/hooks.test.ts
@@ -10,9 +10,8 @@ import {
 } from '@sentry/core';
 
 import { setHooksAsyncContextStrategy } from '../../src/async/hooks';
-import { conditionalTest } from '../utils';
 
-conditionalTest({ min: 12 })('setHooksAsyncContextStrategy()', () => {
+describe('setHooksAsyncContextStrategy()', () => {
   beforeEach(() => {
     const hub = new Hub();
     // eslint-disable-next-line deprecation/deprecation
diff --git a/packages/node/test/integrations/http.test.ts b/packages/node/test/integrations/http.test.ts
index 0b1d81edd29c..527ef48c3f0f 100644
--- a/packages/node/test/integrations/http.test.ts
+++ b/packages/node/test/integrations/http.test.ts
@@ -682,17 +682,11 @@ describe('default protocols', () => {
   it('makes https request over http proxy', async () => {
     const key = 'catcatchers';
     const p = captureBreadcrumb(key);
-    let nockProtocol = 'https';
 
     const proxy = 'http://some.url:3128';
     const agent = new HttpsProxyAgent(proxy);
 
-    // TODO (v8): No longer needed once we drop Node 8 support
-    if (NODE_VERSION.major < 9) {
-      nockProtocol = 'http';
-    }
-
-    nock(`${nockProtocol}://${key}.ingest.sentry.io`).get('/api/123122332/store/').reply(200);
+    nock(`https://${key}.ingest.sentry.io`).get('/api/123122332/store/').reply(200);
 
     https.get({
       host: `${key}.ingest.sentry.io`,
diff --git a/packages/node/test/integrations/undici.test.ts b/packages/node/test/integrations/undici.test.ts
index f280b3d4018a..1decb76006fd 100644
--- a/packages/node/test/integrations/undici.test.ts
+++ b/packages/node/test/integrations/undici.test.ts
@@ -2,7 +2,7 @@ import * as http from 'http';
 import { Transaction, getActiveSpan, getClient, getCurrentScope, setCurrentClient, startSpan } from '@sentry/core';
 import { spanToTraceHeader } from '@sentry/core';
 import { Hub, makeMain, runWithAsyncContext } from '@sentry/core';
-import type { fetch as FetchType } from 'undici';
+import { fetch } from 'undici';
 
 import { NodeClient } from '../../src/client';
 import type { Undici, UndiciOptions } from '../../src/integrations/undici';
@@ -13,17 +13,16 @@ import { conditionalTest } from '../utils';
 const SENTRY_DSN = 'https://0@0.ingest.sentry.io/0';
 
 let hub: Hub;
-let fetch: typeof FetchType;
 
 beforeAll(async () => {
   try {
     await setupTestServer();
-    // need to conditionally require `undici` because it's not available in Node 10
-    // eslint-disable-next-line @typescript-eslint/no-var-requires
-    fetch = require('undici').fetch;
   } catch (e) {
     // eslint-disable-next-line no-console
-    console.warn('Undici integration tests are skipped because undici is not installed.');
+    const error = new Error('Undici integration tests are skipped because test server could not be set up.');
+    // This needs lib es2022 and newer so marking as any
+    (error as any).cause = e;
+    throw e;
   }
 });
 
diff --git a/packages/node/test/manual/webpack-async-context/npm-build.js b/packages/node/test/manual/webpack-async-context/npm-build.js
index 9d9c687981bb..eac357b10f36 100644
--- a/packages/node/test/manual/webpack-async-context/npm-build.js
+++ b/packages/node/test/manual/webpack-async-context/npm-build.js
@@ -7,11 +7,6 @@ if (Number(process.versions.node.split('.')[0]) >= 18) {
   process.exit(0);
 }
 
-// Webpack test does not work in Node 8 and below.
-if (Number(process.versions.node.split('.')[0]) <= 8) {
-  process.exit(0);
-}
-
 // biome-ignore format: Follow-up for prettier
 webpack(
   {
diff --git a/packages/opentelemetry-node/package.json b/packages/opentelemetry-node/package.json
index 95e6bc8da8fd..9574933a1c86 100644
--- a/packages/opentelemetry-node/package.json
+++ b/packages/opentelemetry-node/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/profiling-node/package.json b/packages/profiling-node/package.json
index 8118230deb07..fd999c68b3ba 100644
--- a/packages/profiling-node/package.json
+++ b/packages/profiling-node/package.json
@@ -19,7 +19,7 @@
     "sentry-prune-profiler-binaries": "scripts/prune-profiler-binaries.js"
   },
   "engines": {
-    "node": ">=8.0.0"
+    "node": ">=14"
   },
   "publishConfig": {
     "access": "public"
diff --git a/packages/react/package.json b/packages/react/package.json
index f4898621fd4a..d43bef08cef7 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/replay-canvas/README.md b/packages/replay-canvas/README.md
index eac14facc5cc..21af46bf2512 100644
--- a/packages/replay-canvas/README.md
+++ b/packages/replay-canvas/README.md
@@ -8,7 +8,7 @@
 
 ## Pre-requisites
 
-Replay with canvas requires Node 12+, and browsers newer than IE11.
+Replay with canvas requires Node 14+, and browsers newer than IE11.
 
 ## Installation
 
diff --git a/packages/replay/README.md b/packages/replay/README.md
index 091f51d785bf..e87aa7861b94 100644
--- a/packages/replay/README.md
+++ b/packages/replay/README.md
@@ -12,7 +12,7 @@
 
 ## Pre-requisites
 
-`@sentry/replay` requires Node 12+, and browsers newer than IE11.
+`@sentry/replay` requires Node 14+, and browsers newer than IE11.
 
 ## Installation
 
diff --git a/packages/svelte/package.json b/packages/svelte/package.json
index 6406acf463e5..10c6dac63b7d 100644
--- a/packages/svelte/package.json
+++ b/packages/svelte/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/tracing-internal/package.json b/packages/tracing-internal/package.json
index 1783c2dc075b..a69ff69f4cbe 100644
--- a/packages/tracing-internal/package.json
+++ b/packages/tracing-internal/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/tracing-internal/test/browser/backgroundtab.test.ts b/packages/tracing-internal/test/browser/backgroundtab.test.ts
index 27cba1d934fa..38dbc04bae37 100644
--- a/packages/tracing-internal/test/browser/backgroundtab.test.ts
+++ b/packages/tracing-internal/test/browser/backgroundtab.test.ts
@@ -2,11 +2,11 @@ import { Hub, makeMain, spanToJSON, startSpan } from '@sentry/core';
 import { JSDOM } from 'jsdom';
 
 import { addExtensionMethods } from '../../../tracing/src';
-import { conditionalTest, getDefaultBrowserClientOptions } from '../../../tracing/test/testutils';
+import { getDefaultBrowserClientOptions } from '../../../tracing/test/testutils';
 import { registerBackgroundTabDetection } from '../../src/browser/backgroundtab';
 import { TestClient } from '../utils/TestClient';
 
-conditionalTest({ min: 10 })('registerBackgroundTabDetection', () => {
+describe('registerBackgroundTabDetection', () => {
   let events: Record<string, any> = {};
   let hub: Hub;
   beforeEach(() => {
diff --git a/packages/tracing-internal/test/browser/browsertracing.test.ts b/packages/tracing-internal/test/browser/browsertracing.test.ts
index b9830b8d754c..8144f4b0621b 100644
--- a/packages/tracing-internal/test/browser/browsertracing.test.ts
+++ b/packages/tracing-internal/test/browser/browsertracing.test.ts
@@ -7,7 +7,7 @@ import { JSDOM } from 'jsdom';
 import { timestampInSeconds } from '@sentry/utils';
 import type { IdleTransaction } from '../../../tracing/src';
 import { getActiveTransaction } from '../../../tracing/src';
-import { conditionalTest, getDefaultBrowserClientOptions } from '../../../tracing/test/testutils';
+import { getDefaultBrowserClientOptions } from '../../../tracing/test/testutils';
 import type { BrowserTracingOptions } from '../../src/browser/browsertracing';
 import { BrowserTracing, getMetaContent } from '../../src/browser/browsertracing';
 import { defaultRequestInstrumentationOptions } from '../../src/browser/request';
@@ -55,7 +55,7 @@ beforeAll(() => {
   WINDOW.location = dom.window.location;
 });
 
-conditionalTest({ min: 10 })('BrowserTracing', () => {
+describe('BrowserTracing', () => {
   let hub: Hub;
   beforeEach(() => {
     jest.useFakeTimers();
diff --git a/packages/tracing/package.json b/packages/tracing/package.json
index cbcbb217493e..aa8b44ecdc5c 100644
--- a/packages/tracing/package.json
+++ b/packages/tracing/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/types/package.json b/packages/types/package.json
index bd2250fe145e..0d09fcee6cd5 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/utils/package.json b/packages/utils/package.json
index f3ad380a7c4d..b4ceaf186c6d 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/utils/src/requestdata.ts b/packages/utils/src/requestdata.ts
index aaa1898e1f55..85b748dadaba 100644
--- a/packages/utils/src/requestdata.ts
+++ b/packages/utils/src/requestdata.ts
@@ -69,7 +69,8 @@ export type TransactionNamingScheme = 'path' | 'methodPath' | 'handler';
 export function addRequestDataToTransaction(
   transaction: Transaction | undefined,
   req: PolymorphicRequest,
-  deps?: InjectedNodeDeps,
+  // TODO(v8): Remove this parameter in v8
+  _deps?: InjectedNodeDeps,
 ): void {
   if (!transaction) return;
   // eslint-disable-next-line deprecation/deprecation
@@ -87,7 +88,7 @@ export function addRequestDataToTransaction(
   }
   // TODO: We need to rewrite this to a flat format?
   // eslint-disable-next-line deprecation/deprecation
-  transaction.setData('query', extractQueryParams(req, deps));
+  transaction.setData('query', extractQueryParams(req));
 }
 
 /**
@@ -188,10 +189,11 @@ export function extractRequestData(
   req: PolymorphicRequest,
   options?: {
     include?: string[];
+    // TODO(v8): Remove this paramater
     deps?: InjectedNodeDeps;
   },
 ): ExtractedNodeRequestData {
-  const { include = DEFAULT_REQUEST_INCLUDES, deps } = options || {};
+  const { include = DEFAULT_REQUEST_INCLUDES } = options || {};
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   const requestData: { [key: string]: any } = {};
 
@@ -257,7 +259,7 @@ export function extractRequestData(
         //   node: req.url (raw)
         //   express, koa, nextjs: req.query
         // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
-        requestData.query_string = extractQueryParams(req, deps);
+        requestData.query_string = extractQueryParams(req);
         break;
       }
       case 'data': {
@@ -349,10 +351,7 @@ export function addRequestDataToEvent(
   return event;
 }
 
-function extractQueryParams(
-  req: PolymorphicRequest,
-  deps?: InjectedNodeDeps,
-): string | Record<string, unknown> | undefined {
+function extractQueryParams(req: PolymorphicRequest): string | Record<string, unknown> | undefined {
   // url (including path and query string):
   //   node, express: req.originalUrl
   //   koa, nextjs: req.url
@@ -369,13 +368,8 @@ function extractQueryParams(
   }
 
   try {
-    return (
-      req.query ||
-      (typeof URL !== 'undefined' && new URL(originalUrl).search.slice(1)) ||
-      // In Node 8, `URL` isn't in the global scope, so we have to use the built-in module from Node
-      (deps && deps.url && deps.url.parse(originalUrl).query) ||
-      undefined
-    );
+    const queryParams = req.query || new URL(originalUrl).search.slice(1);
+    return queryParams.length ? queryParams : undefined;
   } catch {
     return undefined;
   }
diff --git a/packages/utils/src/vendor/escapeStringForRegex.ts b/packages/utils/src/vendor/escapeStringForRegex.ts
index 2b55452802ad..229c3da707c1 100644
--- a/packages/utils/src/vendor/escapeStringForRegex.ts
+++ b/packages/utils/src/vendor/escapeStringForRegex.ts
@@ -1,6 +1,6 @@
 // Based on https://github.com/sindresorhus/escape-string-regexp but with modifications to:
 //   a) reduce the size by skipping the runtime type - checking
-//   b) ensure it gets down - compiled for old versions of Node(the published package only supports Node 12+).
+//   b) ensure it gets down - compiled for old versions of Node(the published package only supports Node 14+).
 //
 // MIT License
 //
diff --git a/packages/utils/test/normalize.test.ts b/packages/utils/test/normalize.test.ts
index fda1798c3792..b01c887abedf 100644
--- a/packages/utils/test/normalize.test.ts
+++ b/packages/utils/test/normalize.test.ts
@@ -406,10 +406,7 @@ describe('normalize()', () => {
     test('primitive values', () => {
       expect(normalize(NaN)).toEqual('[NaN]');
       expect(normalize(Symbol('dogs'))).toEqual('[Symbol(dogs)]');
-      // `BigInt` doesn't exist in Node 8
-      if (Number(process.versions.node.split('.')[0]) >= 10) {
-        expect(normalize(BigInt(1121201212312012))).toEqual('[BigInt: 1121201212312012]');
-      }
+      expect(normalize(BigInt(1121201212312012))).toEqual('[BigInt: 1121201212312012]');
     });
 
     test('functions', () => {
diff --git a/packages/vercel-edge/package.json b/packages/vercel-edge/package.json
index 4257a3a83713..2ab2a932a753 100644
--- a/packages/vercel-edge/package.json
+++ b/packages/vercel-edge/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/vue/package.json b/packages/vue/package.json
index f2d93043dd94..e316ec970924 100644
--- a/packages/vue/package.json
+++ b/packages/vue/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/packages/wasm/package.json b/packages/wasm/package.json
index 8f77b463c7c5..7507cb607757 100644
--- a/packages/wasm/package.json
+++ b/packages/wasm/package.json
@@ -7,7 +7,7 @@
   "author": "Sentry",
   "license": "MIT",
   "engines": {
-    "node": ">=8"
+    "node": ">=14"
   },
   "files": [
     "cjs",
diff --git a/scripts/node-unit-tests.ts b/scripts/node-unit-tests.ts
index 9c9312e76571..c876552d2d8d 100644
--- a/scripts/node-unit-tests.ts
+++ b/scripts/node-unit-tests.ts
@@ -1,12 +1,9 @@
 import * as childProcess from 'child_process';
-import * as fs from 'fs';
 
-type NodeVersion = '8' | '10' | '12' | '14' | '16';
+type NodeVersion = '14' | '16' | '18' | '20' | '21';
 
 interface VersionConfig {
   ignoredPackages: Array<`@${'sentry' | 'sentry-internal'}/${string}`>;
-  legacyDeps: Array<`${string}@${string}`>;
-  shouldES6Utils: boolean;
 }
 
 const CURRENT_NODE_VERSION = process.version.replace('v', '').split('.')[0] as NodeVersion;
@@ -29,78 +26,23 @@ const DEFAULT_SKIP_TESTS_PACKAGES = [
 ];
 
 const SKIP_TEST_PACKAGES: Record<NodeVersion, VersionConfig> = {
-  '8': {
-    ignoredPackages: [
-      '@sentry/gatsby',
-      '@sentry/serverless',
-      '@sentry/nextjs',
-      '@sentry/remix',
-      '@sentry/sveltekit',
-      '@sentry-internal/replay-worker',
-      '@sentry/node-experimental',
-      '@sentry/opentelemetry',
-      '@sentry/vercel-edge',
-      '@sentry/astro',
-    ],
-    legacyDeps: [
-      'jsdom@15.x',
-      'jest@25.x',
-      'jest-environment-jsdom@25.x',
-      'jest-environment-node@25.x',
-      'ts-jest@25.x',
-      'lerna@3.13.4',
-    ],
-    shouldES6Utils: true,
-  },
-  '10': {
-    ignoredPackages: [
-      '@sentry/remix',
-      '@sentry/sveltekit',
-      '@sentry-internal/replay-worker',
-      '@sentry/node-experimental',
-      '@sentry/opentelemetry',
-      '@sentry/vercel-edge',
-      '@sentry/astro',
-    ],
-    legacyDeps: ['jsdom@16.x', 'lerna@3.13.4'],
-    shouldES6Utils: true,
-  },
-  '12': {
-    ignoredPackages: [
-      '@sentry/remix',
-      '@sentry/sveltekit',
-      '@sentry/node-experimental',
-      '@sentry/opentelemetry',
-      '@sentry/vercel-edge',
-      '@sentry/astro',
-    ],
-    legacyDeps: ['lerna@3.13.4'],
-    shouldES6Utils: true,
-  },
   '14': {
     ignoredPackages: ['@sentry/sveltekit', '@sentry/vercel-edge', '@sentry/astro'],
-    legacyDeps: [],
-    shouldES6Utils: false,
   },
   '16': {
     ignoredPackages: ['@sentry/vercel-edge', '@sentry/astro'],
-    legacyDeps: [],
-    shouldES6Utils: false,
+  },
+  '18': {
+    ignoredPackages: [],
+  },
+  '20': {
+    ignoredPackages: [],
+  },
+  '21': {
+    ignoredPackages: [],
   },
 };
 
-type JSONValue = string | number | boolean | null | JSONArray | JSONObject;
-
-type JSONObject = {
-  [key: string]: JSONValue;
-};
-
-type JSONArray = Array<JSONValue>;
-
-interface TSConfigJSON extends JSONObject {
-  compilerOptions: { lib: string[]; target: string };
-}
-
 /**
  * Run the given shell command, piping the shell process's `stdin`, `stdout`, and `stderr` to that of the current
  * process. Returns contents of `stdout`.
@@ -109,50 +51,6 @@ function run(cmd: string, options?: childProcess.ExecSyncOptions): void {
   childProcess.execSync(cmd, { stdio: 'inherit', ...options });
 }
 
-/**
- * Install the given legacy dependencies, for compatibility with tests run in older versions of Node.
- */
-function installLegacyDeps(legacyDeps: string[] = []): void {
-  // Ignoring engines and scripts lets us get away with having incompatible things installed for SDK packages we're not
-  // testing in the current node version, and ignoring the root check lets us install things at the repo root.
-  run(`yarn add --dev --ignore-engines --ignore-scripts --ignore-workspace-root-check ${legacyDeps.join(' ')}`);
-}
-
-/**
- * Modify a json file on disk.
- *
- * @param filepath The path to the file to be modified
- * @param transformer A function which takes the JSON data as input and returns a mutated version. It may mutate the
- * JSON data in place, but it isn't required to do so.
- */
-export function modifyJSONFile<T extends JSONObject>(filepath: string, transformer: (json: T) => T): void {
-  const fileContents = fs
-    .readFileSync(filepath)
-    .toString()
-    // get rid of comments, which the `jsonc` format allows, but which will crash `JSON.parse`
-    .replace(/\/\/.*\n/g, '');
-  const json = JSON.parse(fileContents);
-  const newJSON = transformer(json);
-  fs.writeFileSync(filepath, JSON.stringify(newJSON, null, 2));
-}
-
-const es6ifyTestTSConfig = (pkg: string): void => {
-  const filepath = `packages/${pkg}/tsconfig.test.json`;
-  const transformer = (tsconfig: TSConfigJSON): TSConfigJSON => {
-    tsconfig.compilerOptions.target = 'es6';
-    return tsconfig;
-  };
-  modifyJSONFile(filepath, transformer);
-};
-
-/**
- * Skip tests which don't run in Node 8.
- * We're forced to skip these tests for compatibility reasons.
- */
-function skipNodeV8Tests(): void {
-  run('rm -rf packages/tracing/test/browser');
-}
-
 /**
  * Run tests, ignoring the given packages
  */
@@ -169,19 +67,9 @@ function runTests(): void {
 
   DEFAULT_SKIP_TESTS_PACKAGES.forEach(pkg => ignores.add(pkg));
 
-  if (CURRENT_NODE_VERSION === '8') {
-    skipNodeV8Tests();
-  }
-
   const versionConfig = SKIP_TEST_PACKAGES[CURRENT_NODE_VERSION];
   if (versionConfig) {
     versionConfig.ignoredPackages.forEach(dep => ignores.add(dep));
-    if (versionConfig.legacyDeps.length > 0) {
-      installLegacyDeps(versionConfig.legacyDeps);
-    }
-    if (versionConfig.shouldES6Utils) {
-      es6ifyTestTSConfig('utils');
-    }
   }
 
   runWithIgnores(Array.from(ignores));