diff --git a/package.json b/package.json
index 67c8603..e0d0ac1 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   "devDependencies": {
     "@sindresorhus/tsconfig": "7.0.0",
     "prettier": "3.6.2",
-    "typescript": "5.8.3"
+    "typescript": "5.9.2"
   },
   "engines": {
     "node": ">=14.16"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c63d5c2..e755e15 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,8 +12,8 @@ devDependencies:
     specifier: 3.6.2
     version: 3.6.2
   typescript:
-    specifier: 5.8.3
-    version: 5.8.3
+    specifier: 5.9.2
+    version: 5.9.2
 
 packages:
 
@@ -28,8 +28,8 @@ packages:
     hasBin: true
     dev: true
 
-  /typescript@5.8.3:
-    resolution: {integrity: sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==}
+  /typescript@5.9.2:
+    resolution: {integrity: sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==}
     engines: {node: '>=14.17'}
     hasBin: true
     dev: true