diff --git a/package-lock.json b/package-lock.json
index cacbf11..429deb5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,7 +24,7 @@
         "@vercel/ncc": "^0.38.1",
         "eslint": "^8.56.0",
         "prettier": "^3.3.2",
-        "typescript": "^5.5.3"
+        "typescript": "^5.9.3"
       }
     },
     "node_modules/@actions/core": {
@@ -2317,9 +2317,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.5.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.3.tgz",
-      "integrity": "sha512-/hreyEujaB0w76zKo6717l3L0o/qEUtRgdvUBvlkhoWeOVMjMuHNHk0BRBzikzuGDqNmPQbg5ifMEqsHLiIUcQ==",
+      "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": {
@@ -2436,7 +2436,7 @@
         "@typescript-eslint/parser": "^7.16.0",
         "eslint": "^8.56.0",
         "prettier": "^3.3.2",
-        "typescript": "^5.5.3"
+        "typescript": "^5.9.3"
       }
     }
   }
diff --git a/package.json b/package.json
index 3674c13..c1c4734 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "@vercel/ncc": "^0.38.1",
     "eslint": "^8.56.0",
     "prettier": "^3.3.2",
-    "typescript": "^5.5.3"
+    "typescript": "^5.9.3"
   },
   "workspaces": [
     "./setup-crate"
diff --git a/setup-crate/package.json b/setup-crate/package.json
index 38e675c..67c08d2 100644
--- a/setup-crate/package.json
+++ b/setup-crate/package.json
@@ -38,6 +38,6 @@
     "@typescript-eslint/parser": "^7.16.0",
     "eslint": "^8.56.0",
     "prettier": "^3.3.2",
-    "typescript": "^5.5.3"
+    "typescript": "^5.9.3"
   }
 }