diff --git a/package-lock.json b/package-lock.json
index 93a68d3f6..456c1b053 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27,7 +27,7 @@
         "json-schema": "^0.4.0",
         "memfs": "^4.49.0",
         "standard-version": "^9.5.0",
-        "typescript": "^5.8.3",
+        "typescript": "^5.9.3",
         "vitest": "^3.2.4"
       },
       "engines": {
@@ -7574,9 +7574,9 @@
       "license": "MIT"
     },
     "node_modules/typescript": {
-      "version": "5.9.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
-      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index f1c48411a..23da30d95 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "json-schema": "^0.4.0",
     "memfs": "^4.49.0",
     "standard-version": "^9.5.0",
-    "typescript": "^5.8.3",
+    "typescript": "^5.9.3",
     "vitest": "^3.2.4"
   },
   "dependencies": {