diff --git a/package-lock.json b/package-lock.json
index 873d7fb..1cf0b00 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "devDependencies": {
         "@codecov/vite-plugin": "^1.9.0",
         "@vitest/coverage-v8": "^3.0.9",
-        "typescript": "^5.8.2",
+        "typescript": "^5.9.3",
         "vite": "^6.2.2",
         "vite-plugin-dts": "^4.5.3",
         "vitest": "^3.0.4"
@@ -3473,9 +3473,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.8.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.2.tgz",
-      "integrity": "sha512-aJn6wq13/afZp/jT9QZmwEjDqqvSGp1VT5GVg+f/t6/oVyrgXM6BY1h9BRh/O5p3PlUPAe+WuiEZOmb/49RqoQ==",
+      "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": {
diff --git a/package.json b/package.json
index e3aa316..08df917 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
   "devDependencies": {
     "@codecov/vite-plugin": "^1.9.0",
     "@vitest/coverage-v8": "^3.0.9",
-    "typescript": "^5.8.2",
+    "typescript": "^5.9.3",
     "vite": "^6.2.2",
     "vite-plugin-dts": "^4.5.3",
     "vitest": "^3.0.4"