diff --git a/package-lock.json b/package-lock.json
index 51a627ca..dc7c05c6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -51,7 +51,7 @@
         "npm-package-json-lint-config-tc": "^9.0.1",
         "prettier": "^3.6.2",
         "ts-jest": "^29.4.4",
-        "typescript": "^5.4.5"
+        "typescript": "^5.9.3"
       },
       "engines": {
         "node": ">=20.0.0",
@@ -8443,10 +8443,11 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "devOptional": true,
+      "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/package.json b/package.json
index 072f85c9..9eac2286 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "npm-package-json-lint-config-tc": "^9.0.1",
     "prettier": "^3.6.2",
     "ts-jest": "^29.4.4",
-    "typescript": "^5.4.5"
+    "typescript": "^5.9.3"
   },
   "engines": {
     "node": ">=20.0.0",