diff --git a/packages/tailwindcss-language-server/package.json b/packages/tailwindcss-language-server/package.json
index 8d2617f9..11cda390 100644
--- a/packages/tailwindcss-language-server/package.json
+++ b/packages/tailwindcss-language-server/package.json
@@ -95,7 +95,7 @@
     "tinyglobby": "^0.2.12",
     "tsconfck": "^3.1.4",
     "tsconfig-paths": "^4.2.0",
-    "typescript": "5.3.3",
+    "typescript": "5.8.3",
     "vite-tsconfig-paths": "^4.3.1",
     "vitest": "^3.0.9",
     "vscode-css-languageservice": "6.3.3",
diff --git a/packages/tailwindcss-language-service/package.json b/packages/tailwindcss-language-service/package.json
index f7928b3e..e0a67b9f 100644
--- a/packages/tailwindcss-language-service/package.json
+++ b/packages/tailwindcss-language-service/package.json
@@ -52,7 +52,7 @@
     "esbuild-node-externals": "^1.9.0",
     "minimist": "^1.2.8",
     "tslib": "2.2.0",
-    "typescript": "^5.3.3",
+    "typescript": "^5.8.3",
     "vitest": "^3.0.9"
   }
 }
diff --git a/packages/vscode-tailwindcss/package.json b/packages/vscode-tailwindcss/package.json
index 079055b0..8cc1321e 100644
--- a/packages/vscode-tailwindcss/package.json
+++ b/packages/vscode-tailwindcss/package.json
@@ -389,7 +389,7 @@
     "normalize-path": "3.0.0",
     "picomatch": "^4.0.1",
     "rimraf": "3.0.2",
-    "typescript": "5.3.3",
+    "typescript": "5.8.3",
     "vscode-languageclient": "8.0.2"
   }
 }
diff --git a/packages/vscode-tailwindcss/tsconfig.json b/packages/vscode-tailwindcss/tsconfig.json
index 4f3a8ec5..3b30d56e 100755
--- a/packages/vscode-tailwindcss/tsconfig.json
+++ b/packages/vscode-tailwindcss/tsconfig.json
@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "module": "commonjs",
-    "target": "es6",
+    "target": "ES2022",
     "lib": ["ES2022"],
     "rootDir": "..",
     "sourceMap": true,
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f0971dbb..207b8cc9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -211,16 +211,16 @@ importers:
         version: 0.2.12
       tsconfck:
         specifier: ^3.1.4
-        version: 3.1.4(typescript@5.3.3)
+        version: 3.1.4(typescript@5.8.3)
       tsconfig-paths:
         specifier: ^4.2.0
         version: 4.2.0
       typescript:
-        specifier: 5.3.3
-        version: 5.3.3
+        specifier: 5.8.3
+        version: 5.8.3
       vite-tsconfig-paths:
         specifier: ^4.3.1
-        version: 4.3.2(typescript@5.3.3)(vite@5.4.14(@types/node@18.19.43))
+        version: 4.3.2(typescript@5.8.3)(vite@5.4.14(@types/node@18.19.43))
       vitest:
         specifier: ^3.0.9
         version: 3.0.9(@types/node@18.19.43)
@@ -361,8 +361,8 @@ importers:
         specifier: 2.2.0
         version: 2.2.0
       typescript:
-        specifier: ^5.3.3
-        version: 5.3.3
+        specifier: ^5.8.3
+        version: 5.8.3
       vitest:
         specifier: ^3.0.9
         version: 3.0.9(@types/node@18.19.43)
@@ -415,8 +415,8 @@ importers:
         specifier: 3.0.2
         version: 3.0.2
       typescript:
-        specifier: 5.3.3
-        version: 5.3.3
+        specifier: 5.8.3
+        version: 5.8.3
       vscode-languageclient:
         specifier: 8.0.2
         version: 8.0.2
@@ -2652,8 +2652,8 @@ packages:
   typed-rest-client@1.8.11:
     resolution: {integrity: sha512-5UvfMpd1oelmUPRbbaVnq+rHP7ng2cE4qoQkQeAqxRL6PklkxsM0g32/HL0yfvruK6ojQ5x8EE+HF4YV6DtuCA==}
 
-  typescript@5.3.3:
-    resolution: {integrity: sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==}
+  typescript@5.8.3:
+    resolution: {integrity: sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==}
     engines: {node: '>=14.17'}
     hasBin: true
 
@@ -4921,9 +4921,9 @@ snapshots:
 
   ts-interface-checker@0.1.13: {}
 
-  tsconfck@3.1.4(typescript@5.3.3):
+  tsconfck@3.1.4(typescript@5.8.3):
     optionalDependencies:
-      typescript: 5.3.3
+      typescript: 5.8.3
 
   tsconfig-paths@4.2.0:
     dependencies:
@@ -4952,7 +4952,7 @@ snapshots:
       tunnel: 0.0.6
       underscore: 1.13.7
 
-  typescript@5.3.3: {}
+  typescript@5.8.3: {}
 
   uc.micro@1.0.6: {}
 
@@ -5001,11 +5001,11 @@ snapshots:
       - supports-color
       - terser
 
-  vite-tsconfig-paths@4.3.2(typescript@5.3.3)(vite@5.4.14(@types/node@18.19.43)):
+  vite-tsconfig-paths@4.3.2(typescript@5.8.3)(vite@5.4.14(@types/node@18.19.43)):
     dependencies:
       debug: 4.3.6
       globrex: 0.1.2
-      tsconfck: 3.1.4(typescript@5.3.3)
+      tsconfck: 3.1.4(typescript@5.8.3)
     optionalDependencies:
       vite: 5.4.14(@types/node@18.19.43)
     transitivePeerDependencies: