diff --git a/package-lock.json b/package-lock.json
index f9f8c7c..1732e72 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,7 @@
         "mocha": "11.7.4",
         "rollup": "3.28.1",
         "semantic-release": "21.1.0",
-        "typescript": "5.1.6"
+        "typescript": "5.9.3"
       },
       "engines": {
         "node": ">=16.0.0"
@@ -9044,9 +9044,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.1.6",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.6.tgz",
-      "integrity": "sha512-zaWCozRZ6DLEWAWFrVDz1H6FVXzUSfTy5FUMWsQlU8Ym5JP9eO4xkTIROFCQvhQf61z6O/G6ugw3SgAnvvm+HA==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -15611,9 +15611,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "5.1.6",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.6.tgz",
-      "integrity": "sha512-zaWCozRZ6DLEWAWFrVDz1H6FVXzUSfTy5FUMWsQlU8Ym5JP9eO4xkTIROFCQvhQf61z6O/G6ugw3SgAnvvm+HA==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 5d727c3..7c06210 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "mocha": "11.7.4",
     "rollup": "3.28.1",
     "semantic-release": "21.1.0",
-    "typescript": "5.1.6"
+    "typescript": "5.9.3"
   },
   "mocha": {
     "bail": true,