diff --git a/framework/packages/core/package.json b/framework/packages/core/package.json
index 971d8db0..c1e30efc 100644
--- a/framework/packages/core/package.json
+++ b/framework/packages/core/package.json
@@ -24,7 +24,7 @@
   "devDependencies": {
     "@types/node": "^25.5.1",
     "@vitest/coverage-v8": "^4.0.0",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.0",
     "vitest": "^4.0.0"
   },
   "license": "MIT",
diff --git a/site/package.json b/site/package.json
index 1bed36ce..38e66281 100644
--- a/site/package.json
+++ b/site/package.json
@@ -19,6 +19,6 @@
   },
   "devDependencies": {
     "@astrojs/check": "^0.9.8",
-    "typescript": "^5.9.3"
+    "typescript": "^6.0.0"
   }
 }