diff --git a/package.json b/package.json
index 484a07194d58a..9a226edebb93c 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "typescript",
     "author": "Microsoft Corp.",
     "homepage": "https://www.typescriptlang.org/",
-    "version": "5.0.0",
+    "version": "5.1.0",
     "license": "Apache-2.0",
     "description": "TypeScript is a language for application scale JavaScript development",
     "keywords": [
diff --git a/src/compiler/corePublic.ts b/src/compiler/corePublic.ts
index 80df5e0515ff7..7bb20b5008a45 100644
--- a/src/compiler/corePublic.ts
+++ b/src/compiler/corePublic.ts
@@ -1,6 +1,6 @@
 // WARNING: The script `configurePrerelease.ts` uses a regexp to parse out these values.
 // If changing the text in this section, be sure to test `configurePrerelease` too.
-export const versionMajorMinor = "5.0";
+export const versionMajorMinor = "5.1";
 // The following is baselined as a literal template type without intervention
 /** The version of the TypeScript compiler release */
 // eslint-disable-next-line @typescript-eslint/no-inferrable-types
diff --git a/src/compiler/program.ts b/src/compiler/program.ts
index 60a8a9c0b6bf6..95d650976d882 100644
--- a/src/compiler/program.ts
+++ b/src/compiler/program.ts
@@ -4324,7 +4324,7 @@ export function createProgram(rootNamesOrOptions: readonly string[] | CreateProg
         const version = typeScriptVersion || versionMajorMinor;
         const ignoreDeprecations = options.ignoreDeprecations;
         if (ignoreDeprecations) {
-            if (ignoreDeprecations === DeprecationVersion.v5_0 && (version === DeprecationVersion.v5_0 || version === DeprecationVersion.v5_5)) {
+            if (ignoreDeprecations === DeprecationVersion.v5_0 && version.startsWith("5.")) {
                 return;
             }
             else if (reportInvalidIgnoreDeprecations) {
diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index 34006d63b2ea5..0a8127b2a19be 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -3989,7 +3989,7 @@ declare namespace ts {
             responseRequired?: boolean;
         }
     }
-    const versionMajorMinor = "5.0";
+    const versionMajorMinor = "5.1";
     /** The version of the TypeScript compiler release */
     const version: string;
     /**
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index 2201712f7c4eb..920d6e7484025 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -14,7 +14,7 @@ and limitations under the License.
 ***************************************************************************** */
 
 declare namespace ts {
-    const versionMajorMinor = "5.0";
+    const versionMajorMinor = "5.1";
     /** The version of the TypeScript compiler release */
     const version: string;
     /**