diff --git a/grammars-lezer/lezer-httui-refs/package-lock.json b/grammars-lezer/lezer-httui-refs/package-lock.json
index 3aedb32..c05215b 100644
--- a/grammars-lezer/lezer-httui-refs/package-lock.json
+++ b/grammars-lezer/lezer-httui-refs/package-lock.json
@@ -19,7 +19,7 @@
         "rollup": "^4.32.0",
         "rollup-plugin-dts": "^6.2.3",
         "tslib": "^2.8.1",
-        "typescript": "^5.7.3",
+        "typescript": "^6.0.3",
         "vitest": "^4.0.0"
       }
     },
@@ -1812,9 +1812,9 @@
       "license": "0BSD"
     },
     "node_modules/typescript": {
-      "version": "5.9.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
-      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+      "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/grammars-lezer/lezer-httui-refs/package.json b/grammars-lezer/lezer-httui-refs/package.json
index f61eb59..78420e2 100644
--- a/grammars-lezer/lezer-httui-refs/package.json
+++ b/grammars-lezer/lezer-httui-refs/package.json
@@ -48,7 +48,7 @@
     "rollup": "^4.32.0",
     "rollup-plugin-dts": "^6.2.3",
     "tslib": "^2.8.1",
-    "typescript": "^5.7.3",
+    "typescript": "^6.0.3",
     "vitest": "^4.0.0"
   }
 }