diff --git a/package-lock.json b/package-lock.json
index d6fa7b2c..8cac4fa6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "eslint-config-prettier": "^10.1.8",
         "gts": "^6.0.2",
         "husky": "^9.1.7",
-        "typescript": "~5.8.3"
+        "typescript": "~5.9.3"
       },
       "engines": {
         "node": ">=20"
@@ -3769,11 +3769,10 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "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": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -6702,9 +6701,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true
     },
     "universal-user-agent": {
diff --git a/package.json b/package.json
index 4c21f4df..307bf746 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "eslint-config-prettier": "^10.1.8",
     "gts": "^6.0.2",
     "husky": "^9.1.7",
-    "typescript": "~5.8.3"
+    "typescript": "~5.9.3"
   },
   "engines": {
     "node": ">=20"