diff --git a/package-lock.json b/package-lock.json
index 60e20880ea..28313e3b68 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -128,7 +128,7 @@
         "stylelint-order": "7.0.1",
         "stylelint-scss": "6.14.0",
         "ts-loader": "9.5.2",
-        "typescript": "5.8.3",
+        "typescript": "5.9.3",
         "typescript-eslint": "8.57.0",
         "vite-tsconfig-paths": "5.1.4",
         "vitest": "3.2.4",
@@ -23807,9 +23807,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
-      "integrity": "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ==",
+      "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 6fdc329e19..daec945be2 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "stylelint-order": "7.0.1",
     "stylelint-scss": "6.14.0",
     "ts-loader": "9.5.2",
-    "typescript": "5.8.3",
+    "typescript": "5.9.3",
     "typescript-eslint": "8.57.0",
     "vite-tsconfig-paths": "5.1.4",
     "vitest": "3.2.4",