diff --git a/src/microsoft-learn-mock/package-lock.json b/src/microsoft-learn-mock/package-lock.json
index ff4038699..6a10f5e04 100644
--- a/src/microsoft-learn-mock/package-lock.json
+++ b/src/microsoft-learn-mock/package-lock.json
@@ -14,7 +14,7 @@
         "http-server": "14.1.1",
         "rollup": "2.79.2",
         "rollup-plugin-typescript2": "^0.37.0",
-        "typescript": "^5.9.3"
+        "typescript": "^6.0.3"
       }
     },
     "node_modules/@jridgewell/sourcemap-codec": {
@@ -1079,9 +1079,9 @@
       "dev": true
     },
     "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,
       "bin": {
         "tsc": "bin/tsc",
@@ -1861,9 +1861,9 @@
       "dev": true
     },
     "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
     },
     "union": {
diff --git a/src/microsoft-learn-mock/package.json b/src/microsoft-learn-mock/package.json
index 270fb6695..753cbf859 100644
--- a/src/microsoft-learn-mock/package.json
+++ b/src/microsoft-learn-mock/package.json
@@ -17,6 +17,6 @@
     "http-server": "14.1.1",
     "rollup": "2.79.2",
     "rollup-plugin-typescript2": "^0.37.0",
-    "typescript": "^5.9.3"
+    "typescript": "^6.0.3"
   }
 }