diff --git a/package.json b/package.json
index 151f07f162..cb1a18cd93 100644
--- a/package.json
+++ b/package.json
@@ -100,7 +100,7 @@
     "react-app-polyfill": "3.0.0",
     "stream-browserify": "3.0.0",
     "tailwindcss": "^4.1.8",
-    "typescript": "5.6.3",
+    "typescript": "5.9.3",
     "vite": "^6.4.1",
     "vite-tsconfig-paths": "^5.1.4",
     "vitest": "^3.1.4"
diff --git a/yarn.lock b/yarn.lock
index 1912f2f9c8..89e15b8414 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8197,10 +8197,10 @@ typed-array-length@^1.0.7:
     possible-typed-array-names "^1.0.0"
     reflect.getprototypeof "^1.0.6"
 
-typescript@5.6.3:
-  version "5.6.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.6.3.tgz#5f3449e31c9d94febb17de03cc081dd56d81db5b"
-  integrity sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==
+typescript@5.9.3:
+  version "5.9.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.9.3.tgz#5b4f59e15310ab17a216f5d6cf53ee476ede670f"
+  integrity sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==
 
 uc.micro@^2.0.0:
   version "2.0.0"