diff --git a/package.json b/package.json
index 810cb82..655088d 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,6 @@
   },
   "devDependencies": {
     "@types/node": "24.0.10",
-    "typescript": "^5.8.3"
+    "typescript": "^5.9.3"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b81c280..9e65988 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -31,8 +31,8 @@ importers:
         specifier: 24.0.10
         version: 24.0.10
       typescript:
-        specifier: ^5.8.3
-        version: 5.8.3
+        specifier: ^5.9.3
+        version: 5.9.3
 
 packages:
 
@@ -1442,8 +1442,8 @@ packages:
     resolution: {integrity: sha512-yGSza74xk0UG8k+pLh5oeoYirvIiWo5t0/o3zHHAO2tRDiZcxWP7fywNlXhqb6/r6sWvwi+RsyQMWhVLe4BVuA==}
     engines: {node: '>=10'}
 
-  typescript@5.8.3:
-    resolution: {integrity: sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==}
+  typescript@5.9.3:
+    resolution: {integrity: sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==}
     engines: {node: '>=14.17'}
     hasBin: true
 
@@ -3337,7 +3337,7 @@ snapshots:
 
   type-fest@1.4.0: {}
 
-  typescript@5.8.3: {}
+  typescript@5.9.3: {}
 
   undici-types@7.8.0: {}