diff --git a/package-lock.json b/package-lock.json
index 5e4e8798..754e93ba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -35,7 +35,7 @@
         "rollup-plugin-uglify": "6.0.4",
         "sinon": "15.1.0",
         "tsd": "0.28.1",
-        "typescript": "5.1.3",
+        "typescript": "5.9.2",
         "uglify-js": "3.17.4"
       }
     },
@@ -10591,9 +10591,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.1.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.3.tgz",
-      "integrity": "sha512-XH627E9vkeqhlZFQuL+UsyAXEnibT0kWR2FWONlr4sTjvxyJYnyefgrkyECLzM5NenmKzRAy2rR/OlYLA1HkZw==",
+      "version": "5.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -18766,9 +18766,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "5.1.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.3.tgz",
-      "integrity": "sha512-XH627E9vkeqhlZFQuL+UsyAXEnibT0kWR2FWONlr4sTjvxyJYnyefgrkyECLzM5NenmKzRAy2rR/OlYLA1HkZw==",
+      "version": "5.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
       "dev": true
     },
     "ufo": {
diff --git a/package.json b/package.json
index f22d962e..3cf37665 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "rollup-plugin-uglify": "6.0.4",
     "sinon": "15.1.0",
     "tsd": "0.28.1",
-    "typescript": "5.1.3",
+    "typescript": "5.9.2",
     "uglify-js": "3.17.4"
   },
   "scripts": {