diff --git a/package-lock.json b/package-lock.json
index c17823fc..7a838fb8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -39,7 +39,7 @@
         "jsdom": "26.1.0",
         "npm-run-all2": "8.0.4",
         "pkg-pr-new": "0.0.54",
-        "typescript": "5.8.3",
+        "typescript": "5.9.2",
         "typescript-eslint": "8.39.1",
         "vitest": "3.2.4",
         "yaml": "2.8.1"
@@ -10581,9 +10581,9 @@
       "license": "MIT"
     },
     "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": "5.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
       "devOptional": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index 5c30f4d2..887775b2 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "jsdom": "26.1.0",
     "npm-run-all2": "8.0.4",
     "pkg-pr-new": "0.0.54",
-    "typescript": "5.8.3",
+    "typescript": "5.9.2",
     "typescript-eslint": "8.39.1",
     "vitest": "3.2.4",
     "yaml": "2.8.1"