diff --git a/packages/e2e-tests/autoprefixer-browerslist/package.json b/packages/e2e-tests/autoprefixer-browerslist/package.json
index 6344aab32..676a35c8a 100644
--- a/packages/e2e-tests/autoprefixer-browerslist/package.json
+++ b/packages/e2e-tests/autoprefixer-browerslist/package.json
@@ -16,7 +16,7 @@
     "postcss": "^8.4.20",
     "postcss-load-config": "^4.0.1",
     "svelte": "^3.54.0",
-    "svelte-preprocess": "^4.10.7",
+    "svelte-preprocess": "^5.0.0",
     "vite": "^4.0.0"
   },
   "type": "module"
diff --git a/packages/e2e-tests/configfile-esm/package.json b/packages/e2e-tests/configfile-esm/package.json
index 5abb86cc3..8799cb9ad 100644
--- a/packages/e2e-tests/configfile-esm/package.json
+++ b/packages/e2e-tests/configfile-esm/package.json
@@ -13,7 +13,7 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "svelte": "^3.54.0",
-    "svelte-preprocess": "^4.10.7",
+    "svelte-preprocess": "^5.0.0",
     "vite": "^4.0.0"
   },
   "type": "module"
diff --git a/packages/e2e-tests/prebundle-svelte-deps/package.json b/packages/e2e-tests/prebundle-svelte-deps/package.json
index f61164bbf..bf4a5f89a 100644
--- a/packages/e2e-tests/prebundle-svelte-deps/package.json
+++ b/packages/e2e-tests/prebundle-svelte-deps/package.json
@@ -19,7 +19,7 @@
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "sass": "^1.56.2",
     "svelte": "^3.54.0",
-    "svelte-preprocess": "^4.10.7",
+    "svelte-preprocess": "^5.0.0",
     "vite": "^4.0.0"
   }
 }
diff --git a/packages/e2e-tests/svelte-preprocess/package.json b/packages/e2e-tests/svelte-preprocess/package.json
index 0e3dbc6a6..97e9858b9 100644
--- a/packages/e2e-tests/svelte-preprocess/package.json
+++ b/packages/e2e-tests/svelte-preprocess/package.json
@@ -11,7 +11,7 @@
     "@sveltejs/vite-plugin-svelte": "workspace:^",
     "sass": "^1.56.2",
     "svelte": "^3.54.0",
-    "svelte-preprocess": "^4.10.7",
+    "svelte-preprocess": "^5.0.0",
     "typescript": "^4.9.4",
     "vite": "^4.0.0"
   },
diff --git a/packages/e2e-tests/ts-type-import/package.json b/packages/e2e-tests/ts-type-import/package.json
index 169791b36..7441be55b 100644
--- a/packages/e2e-tests/ts-type-import/package.json
+++ b/packages/e2e-tests/ts-type-import/package.json
@@ -12,7 +12,7 @@
     "@tsconfig/svelte": "^3.0.0",
     "@types/node": "^18.11.13",
     "svelte": "^3.54.0",
-    "svelte-preprocess": "^4.10.7",
+    "svelte-preprocess": "^5.0.0",
     "vite": "^4.0.0"
   },
   "type": "module"
diff --git a/packages/playground/big-component-library-kit/package.json b/packages/playground/big-component-library-kit/package.json
index 1a6076c13..0f25d03f9 100644
--- a/packages/playground/big-component-library-kit/package.json
+++ b/packages/playground/big-component-library-kit/package.json
@@ -18,7 +18,7 @@
 		"lodash-es": "^4.17.21",
 		"svelte": "^3.54.0",
 		"svelte-check": "^2.10.2",
-		"svelte-preprocess": "^4.10.7",
+		"svelte-preprocess": "^5.0.0",
 		"typescript": "^4.9.4",
 		"vite": "^4.0.0"
 	},
diff --git a/packages/playground/big-component-library-vite-ssr/package.json b/packages/playground/big-component-library-vite-ssr/package.json
index 0d1ab300f..d775f0f76 100644
--- a/packages/playground/big-component-library-vite-ssr/package.json
+++ b/packages/playground/big-component-library-vite-ssr/package.json
@@ -23,7 +23,7 @@
     "cross-env": "^7.0.3",
     "lodash-es": "^4.17.21",
     "svelte": "^3.54.0",
-    "svelte-preprocess": "^4.10.7",
+    "svelte-preprocess": "^5.0.0",
     "vite": "^4.0.0"
   }
 }
diff --git a/packages/playground/big-component-library/package.json b/packages/playground/big-component-library/package.json
index 301788c38..5c6664d70 100644
--- a/packages/playground/big-component-library/package.json
+++ b/packages/playground/big-component-library/package.json
@@ -14,7 +14,7 @@
     "carbon-icons-svelte": "^11.4.0",
     "carbon-preprocess-svelte": "^0.9.1",
     "svelte": "^3.54.0",
-    "svelte-preprocess": "^4.10.7",
+    "svelte-preprocess": "^5.0.0",
     "vite": "^4.0.0"
   },
   "dependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2c1c0748c..afadf602c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -145,7 +145,7 @@ importers:
       postcss: ^8.4.20
       postcss-load-config: ^4.0.1
       svelte: ^3.54.0
-      svelte-preprocess: ^4.10.7
+      svelte-preprocess: ^5.0.0
       vite: ^4.0.0
     dependencies:
       e2e-test-dep-svelte-simple: file:packages/e2e-tests/_test_dependencies/svelte-simple
@@ -155,7 +155,7 @@ importers:
       postcss: 8.4.20
       postcss-load-config: 4.0.1_postcss@8.4.20
       svelte: 3.54.0
-      svelte-preprocess: 4.10.7_hanltcsfjyp7l5ysgsovto52gi
+      svelte-preprocess: 5.0.0_hanltcsfjyp7l5ysgsovto52gi
       vite: 4.0.0
 
   packages/e2e-tests/configfile-custom:
@@ -176,14 +176,14 @@ importers:
       '@sveltejs/vite-plugin-svelte': workspace:^
       e2e-test-dep-svelte-simple: file:../_test_dependencies/svelte-simple
       svelte: ^3.54.0
-      svelte-preprocess: ^4.10.7
+      svelte-preprocess: ^5.0.0
       vite: ^4.0.0
     dependencies:
       e2e-test-dep-svelte-simple: file:packages/e2e-tests/_test_dependencies/svelte-simple
     devDependencies:
       '@sveltejs/vite-plugin-svelte': link:../../vite-plugin-svelte
       svelte: 3.54.0
-      svelte-preprocess: 4.10.7_svelte@3.54.0
+      svelte-preprocess: 5.0.0_svelte@3.54.0
       vite: 4.0.0
 
   packages/e2e-tests/css-none:
@@ -328,7 +328,7 @@ importers:
       e2e-test-dep-svelte-simple: file:../_test_dependencies/svelte-simple
       sass: ^1.56.2
       svelte: ^3.54.0
-      svelte-preprocess: ^4.10.7
+      svelte-preprocess: ^5.0.0
       vite: ^4.0.0
     dependencies:
       e2e-test-dep-svelte-api-only: file:packages/e2e-tests/_test_dependencies/svelte-api-only
@@ -340,7 +340,7 @@ importers:
       '@sveltejs/vite-plugin-svelte': link:../../vite-plugin-svelte
       sass: 1.56.2
       svelte: 3.54.0
-      svelte-preprocess: 4.10.7_sass@1.56.2+svelte@3.54.0
+      svelte-preprocess: 5.0.0_sass@1.56.2+svelte@3.54.0
       vite: 4.0.0_sass@1.56.2
 
   packages/e2e-tests/preprocess-with-vite:
@@ -375,14 +375,14 @@ importers:
       '@sveltejs/vite-plugin-svelte': workspace:^
       sass: ^1.56.2
       svelte: ^3.54.0
-      svelte-preprocess: ^4.10.7
+      svelte-preprocess: ^5.0.0
       typescript: ^4.9.4
       vite: ^4.0.0
     devDependencies:
       '@sveltejs/vite-plugin-svelte': link:../../vite-plugin-svelte
       sass: 1.56.2
       svelte: 3.54.0
-      svelte-preprocess: 4.10.7_qzsefpw3caktxn3x6hfckma6hy
+      svelte-preprocess: 5.0.0_qzsefpw3caktxn3x6hfckma6hy
       typescript: 4.9.4
       vite: 4.0.0_sass@1.56.2
 
@@ -392,14 +392,14 @@ importers:
       '@tsconfig/svelte': ^3.0.0
       '@types/node': ^18.11.13
       svelte: ^3.54.0
-      svelte-preprocess: ^4.10.7
+      svelte-preprocess: ^5.0.0
       vite: ^4.0.0
     devDependencies:
       '@sveltejs/vite-plugin-svelte': link:../../vite-plugin-svelte
       '@tsconfig/svelte': 3.0.0
       '@types/node': 18.11.13
       svelte: 3.54.0
-      svelte-preprocess: 4.10.7_svelte@3.54.0
+      svelte-preprocess: 5.0.0_svelte@3.54.0
       vite: 4.0.0_@types+node@18.11.13
 
   packages/e2e-tests/vite-ssr:
@@ -467,7 +467,7 @@ importers:
       carbon-preprocess-svelte: ^0.9.1
       lodash-es: ^4.17.21
       svelte: ^3.54.0
-      svelte-preprocess: ^4.10.7
+      svelte-preprocess: ^5.0.0
       vite: ^4.0.0
     dependencies:
       lodash-es: 4.17.21
@@ -477,7 +477,7 @@ importers:
       carbon-icons-svelte: 11.4.0
       carbon-preprocess-svelte: 0.9.1_svelte@3.54.0
       svelte: 3.54.0
-      svelte-preprocess: 4.10.7_svelte@3.54.0
+      svelte-preprocess: 5.0.0_svelte@3.54.0
       vite: 4.0.0
 
   packages/playground/big-component-library-kit:
@@ -490,7 +490,7 @@ importers:
       lodash-es: ^4.17.21
       svelte: ^3.54.0
       svelte-check: ^2.10.2
-      svelte-preprocess: ^4.10.7
+      svelte-preprocess: ^5.0.0
       typescript: ^4.9.4
       vite: ^4.0.0
     devDependencies:
@@ -502,7 +502,7 @@ importers:
       lodash-es: 4.17.21
       svelte: 3.54.0
       svelte-check: 2.10.2_svelte@3.54.0
-      svelte-preprocess: 4.10.7_vjccw6zkwqrmxudvmy4reaayx4
+      svelte-preprocess: 5.0.0_vjccw6zkwqrmxudvmy4reaayx4
       typescript: 4.9.4
       vite: 4.0.0
 
@@ -518,7 +518,7 @@ importers:
       lodash-es: ^4.17.21
       sirv: ^2.0.2
       svelte: ^3.54.0
-      svelte-preprocess: ^4.10.7
+      svelte-preprocess: ^5.0.0
       vite: ^4.0.0
     dependencies:
       compression: 1.7.4
@@ -532,7 +532,7 @@ importers:
       cross-env: 7.0.3
       lodash-es: 4.17.21
       svelte: 3.54.0
-      svelte-preprocess: 4.10.7_svelte@3.54.0
+      svelte-preprocess: 5.0.0_svelte@3.54.0
       vite: 4.0.0
 
   packages/playground/kit-demo-app:
@@ -2256,7 +2256,7 @@ packages:
       - supports-color
 
   /concat-map/0.0.1:
-    resolution: {integrity: sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=}
+    resolution: {integrity: sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==}
     dev: true
 
   /content-disposition/0.5.4:
@@ -5242,6 +5242,7 @@ packages:
 
   /sourcemap-codec/1.4.8:
     resolution: {integrity: sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==}
+    deprecated: Please use @jridgewell/sourcemap-codec instead
     dev: true
 
   /spawndamnit/2.0.0:
@@ -5484,7 +5485,7 @@ packages:
       tiny-glob: 0.2.9
     dev: true
 
-  /svelte-preprocess/4.10.7_hanltcsfjyp7l5ysgsovto52gi:
+  /svelte-preprocess/4.10.7_vjccw6zkwqrmxudvmy4reaayx4:
     resolution: {integrity: sha512-sNPBnqYD6FnmdBrUmBCaqS00RyCsCpj2BG58A1JBswNF7b0OKviwxqVrOL/CKyJrLSClrSeqQv5BXNg2RUbPOw==}
     engines: {node: '>= 9.11.2'}
     requiresBuild: true
@@ -5529,6 +5530,54 @@ packages:
       '@types/sass': 1.43.1
       detect-indent: 6.1.0
       magic-string: 0.25.9
+      sorcery: 0.10.0
+      strip-indent: 3.0.0
+      svelte: 3.54.0
+      typescript: 4.9.4
+    dev: true
+
+  /svelte-preprocess/5.0.0_hanltcsfjyp7l5ysgsovto52gi:
+    resolution: {integrity: sha512-q7lpa7i2FBu8Pa+G0MmuQQWETBwCKgsGmuq1Sf6n8q4uaG9ZLcLP0Y+etC6bF4sE6EbLxfiI38zV6RfPe3RSfg==}
+    engines: {node: '>= 14.10.0'}
+    requiresBuild: true
+    peerDependencies:
+      '@babel/core': ^7.10.2
+      coffeescript: ^2.5.1
+      less: ^3.11.3 || ^4.0.0
+      postcss: ^7 || ^8
+      postcss-load-config: ^2.1.0 || ^3.0.0 || ^4.0.0
+      pug: ^3.0.0
+      sass: ^1.26.8
+      stylus: ^0.55.0 || ^0.58.0
+      sugarss: ^2.0.0 || ^3.0.0 || ^4.0.0
+      svelte: ^3.23.0
+      typescript: ^3.9.5 || ^4.0.0
+    peerDependenciesMeta:
+      '@babel/core':
+        optional: true
+      coffeescript:
+        optional: true
+      less:
+        optional: true
+      postcss:
+        optional: true
+      postcss-load-config:
+        optional: true
+      pug:
+        optional: true
+      sass:
+        optional: true
+      stylus:
+        optional: true
+      sugarss:
+        optional: true
+      typescript:
+        optional: true
+    dependencies:
+      '@types/pug': 2.0.6
+      '@types/sass': 1.43.1
+      detect-indent: 6.1.0
+      magic-string: 0.27.0
       postcss: 8.4.20
       postcss-load-config: 4.0.1_postcss@8.4.20
       sorcery: 0.10.0
@@ -5536,21 +5585,20 @@ packages:
       svelte: 3.54.0
     dev: true
 
-  /svelte-preprocess/4.10.7_qzsefpw3caktxn3x6hfckma6hy:
-    resolution: {integrity: sha512-sNPBnqYD6FnmdBrUmBCaqS00RyCsCpj2BG58A1JBswNF7b0OKviwxqVrOL/CKyJrLSClrSeqQv5BXNg2RUbPOw==}
-    engines: {node: '>= 9.11.2'}
+  /svelte-preprocess/5.0.0_qzsefpw3caktxn3x6hfckma6hy:
+    resolution: {integrity: sha512-q7lpa7i2FBu8Pa+G0MmuQQWETBwCKgsGmuq1Sf6n8q4uaG9ZLcLP0Y+etC6bF4sE6EbLxfiI38zV6RfPe3RSfg==}
+    engines: {node: '>= 14.10.0'}
     requiresBuild: true
     peerDependencies:
       '@babel/core': ^7.10.2
       coffeescript: ^2.5.1
       less: ^3.11.3 || ^4.0.0
-      node-sass: '*'
       postcss: ^7 || ^8
       postcss-load-config: ^2.1.0 || ^3.0.0 || ^4.0.0
       pug: ^3.0.0
       sass: ^1.26.8
       stylus: ^0.55.0 || ^0.58.0
-      sugarss: ^2.0.0
+      sugarss: ^2.0.0 || ^3.0.0 || ^4.0.0
       svelte: ^3.23.0
       typescript: ^3.9.5 || ^4.0.0
     peerDependenciesMeta:
@@ -5560,8 +5608,6 @@ packages:
         optional: true
       less:
         optional: true
-      node-sass:
-        optional: true
       postcss:
         optional: true
       postcss-load-config:
@@ -5580,7 +5626,7 @@ packages:
       '@types/pug': 2.0.6
       '@types/sass': 1.43.1
       detect-indent: 6.1.0
-      magic-string: 0.25.9
+      magic-string: 0.27.0
       sass: 1.56.2
       sorcery: 0.10.0
       strip-indent: 3.0.0
@@ -5588,21 +5634,20 @@ packages:
       typescript: 4.9.4
     dev: true
 
-  /svelte-preprocess/4.10.7_sass@1.56.2+svelte@3.54.0:
-    resolution: {integrity: sha512-sNPBnqYD6FnmdBrUmBCaqS00RyCsCpj2BG58A1JBswNF7b0OKviwxqVrOL/CKyJrLSClrSeqQv5BXNg2RUbPOw==}
-    engines: {node: '>= 9.11.2'}
+  /svelte-preprocess/5.0.0_sass@1.56.2+svelte@3.54.0:
+    resolution: {integrity: sha512-q7lpa7i2FBu8Pa+G0MmuQQWETBwCKgsGmuq1Sf6n8q4uaG9ZLcLP0Y+etC6bF4sE6EbLxfiI38zV6RfPe3RSfg==}
+    engines: {node: '>= 14.10.0'}
     requiresBuild: true
     peerDependencies:
       '@babel/core': ^7.10.2
       coffeescript: ^2.5.1
       less: ^3.11.3 || ^4.0.0
-      node-sass: '*'
       postcss: ^7 || ^8
       postcss-load-config: ^2.1.0 || ^3.0.0 || ^4.0.0
       pug: ^3.0.0
       sass: ^1.26.8
       stylus: ^0.55.0 || ^0.58.0
-      sugarss: ^2.0.0
+      sugarss: ^2.0.0 || ^3.0.0 || ^4.0.0
       svelte: ^3.23.0
       typescript: ^3.9.5 || ^4.0.0
     peerDependenciesMeta:
@@ -5612,8 +5657,6 @@ packages:
         optional: true
       less:
         optional: true
-      node-sass:
-        optional: true
       postcss:
         optional: true
       postcss-load-config:
@@ -5632,28 +5675,27 @@ packages:
       '@types/pug': 2.0.6
       '@types/sass': 1.43.1
       detect-indent: 6.1.0
-      magic-string: 0.25.9
+      magic-string: 0.27.0
       sass: 1.56.2
       sorcery: 0.10.0
       strip-indent: 3.0.0
       svelte: 3.54.0
     dev: true
 
-  /svelte-preprocess/4.10.7_svelte@3.54.0:
-    resolution: {integrity: sha512-sNPBnqYD6FnmdBrUmBCaqS00RyCsCpj2BG58A1JBswNF7b0OKviwxqVrOL/CKyJrLSClrSeqQv5BXNg2RUbPOw==}
-    engines: {node: '>= 9.11.2'}
+  /svelte-preprocess/5.0.0_svelte@3.54.0:
+    resolution: {integrity: sha512-q7lpa7i2FBu8Pa+G0MmuQQWETBwCKgsGmuq1Sf6n8q4uaG9ZLcLP0Y+etC6bF4sE6EbLxfiI38zV6RfPe3RSfg==}
+    engines: {node: '>= 14.10.0'}
     requiresBuild: true
     peerDependencies:
       '@babel/core': ^7.10.2
       coffeescript: ^2.5.1
       less: ^3.11.3 || ^4.0.0
-      node-sass: '*'
       postcss: ^7 || ^8
       postcss-load-config: ^2.1.0 || ^3.0.0 || ^4.0.0
       pug: ^3.0.0
       sass: ^1.26.8
       stylus: ^0.55.0 || ^0.58.0
-      sugarss: ^2.0.0
+      sugarss: ^2.0.0 || ^3.0.0 || ^4.0.0
       svelte: ^3.23.0
       typescript: ^3.9.5 || ^4.0.0
     peerDependenciesMeta:
@@ -5663,8 +5705,6 @@ packages:
         optional: true
       less:
         optional: true
-      node-sass:
-        optional: true
       postcss:
         optional: true
       postcss-load-config:
@@ -5683,27 +5723,26 @@ packages:
       '@types/pug': 2.0.6
       '@types/sass': 1.43.1
       detect-indent: 6.1.0
-      magic-string: 0.25.9
+      magic-string: 0.27.0
       sorcery: 0.10.0
       strip-indent: 3.0.0
       svelte: 3.54.0
     dev: true
 
-  /svelte-preprocess/4.10.7_vjccw6zkwqrmxudvmy4reaayx4:
-    resolution: {integrity: sha512-sNPBnqYD6FnmdBrUmBCaqS00RyCsCpj2BG58A1JBswNF7b0OKviwxqVrOL/CKyJrLSClrSeqQv5BXNg2RUbPOw==}
-    engines: {node: '>= 9.11.2'}
+  /svelte-preprocess/5.0.0_vjccw6zkwqrmxudvmy4reaayx4:
+    resolution: {integrity: sha512-q7lpa7i2FBu8Pa+G0MmuQQWETBwCKgsGmuq1Sf6n8q4uaG9ZLcLP0Y+etC6bF4sE6EbLxfiI38zV6RfPe3RSfg==}
+    engines: {node: '>= 14.10.0'}
     requiresBuild: true
     peerDependencies:
       '@babel/core': ^7.10.2
       coffeescript: ^2.5.1
       less: ^3.11.3 || ^4.0.0
-      node-sass: '*'
       postcss: ^7 || ^8
       postcss-load-config: ^2.1.0 || ^3.0.0 || ^4.0.0
       pug: ^3.0.0
       sass: ^1.26.8
       stylus: ^0.55.0 || ^0.58.0
-      sugarss: ^2.0.0
+      sugarss: ^2.0.0 || ^3.0.0 || ^4.0.0
       svelte: ^3.23.0
       typescript: ^3.9.5 || ^4.0.0
     peerDependenciesMeta:
@@ -5713,8 +5752,6 @@ packages:
         optional: true
       less:
         optional: true
-      node-sass:
-        optional: true
       postcss:
         optional: true
       postcss-load-config:
@@ -5733,7 +5770,7 @@ packages:
       '@types/pug': 2.0.6
       '@types/sass': 1.43.1
       detect-indent: 6.1.0
-      magic-string: 0.25.9
+      magic-string: 0.27.0
       sorcery: 0.10.0
       strip-indent: 3.0.0
       svelte: 3.54.0