diff --git a/package-lock.json b/package-lock.json
index 581158ac134..02c704c3e8f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -99,7 +99,7 @@
         "sinon": "^20.0.0",
         "source-map-loader": "^5.0.0",
         "through2": "^4.0.2",
-        "typescript": "^5.8.2",
+        "typescript": "^5.9.3",
         "typescript-eslint": "^8.26.1",
         "url": "^0.11.4",
         "url-parse": "^1.0.5",
@@ -20424,7 +20424,9 @@
       "dev": true
     },
     "node_modules/typescript": {
-      "version": "5.8.2",
+      "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 5ebf8b3c9f3..8c2707508dd 100644
--- a/package.json
+++ b/package.json
@@ -123,7 +123,7 @@
     "sinon": "^20.0.0",
     "source-map-loader": "^5.0.0",
     "through2": "^4.0.2",
-    "typescript": "^5.8.2",
+    "typescript": "^5.9.3",
     "typescript-eslint": "^8.26.1",
     "url": "^0.11.4",
     "url-parse": "^1.0.5",