diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index cafa545..9055c3c 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -13,6 +13,10 @@ updates:
     commit-message:
       prefix: "deps"
     rebase-strategy: "auto"
+    ignore:
+      - dependency-name: "typescript"
+        update-types:
+          - "version-update:semver-major"
     groups:
       production-dependencies:
         dependency-type: "production"
diff --git a/package-lock.json b/package-lock.json
index 753267e..25758f0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "@types/jest": "^30.0.0",
         "jest": "^30.3.0",
         "ts-jest": "^29.4.6",
-        "typescript": "^6.0.2",
+        "typescript": "^5.9.3",
         "wrangler": "^4.78.0"
       },
       "engines": {
@@ -5561,9 +5561,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "6.0.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.2.tgz",
-      "integrity": "sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ==",
+      "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 99cd85c..39375d2 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "@types/jest": "^30.0.0",
     "jest": "^30.3.0",
     "ts-jest": "^29.4.6",
-    "typescript": "^6.0.2",
+    "typescript": "^5.9.3",
     "wrangler": "^4.78.0"
   },
   "engines": {