diff --git a/package.json b/package.json
index 9b85356..3f21e4e 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@types/node": "24.1.0",
-    "typescript": "5.8.3"
+    "typescript": "5.9.3"
   },
   "publishConfig": {
     "access": "public"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 006fcfd..d42f04d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,16 +12,16 @@ importers:
         specifier: 24.1.0
         version: 24.1.0
       typescript:
-        specifier: 5.8.3
-        version: 5.8.3
+        specifier: 5.9.3
+        version: 5.9.3
 
 packages:
 
   '@types/node@24.1.0':
     resolution: {integrity: sha512-ut5FthK5moxFKH2T1CUOC6ctR67rQRvvHdFLCD2Ql6KXmMuCrjsSsRI9UsLCm9M18BMwClv4pn327UvB7eeO1w==}
 
-  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
 
@@ -34,6 +34,6 @@ snapshots:
     dependencies:
       undici-types: 7.8.0
 
-  typescript@5.8.3: {}
+  typescript@5.9.3: {}
 
   undici-types@7.8.0: {}