diff --git a/packages/install-counter-worker/package-lock.json b/packages/install-counter-worker/package-lock.json
index 153b1938..860ab96d 100644
--- a/packages/install-counter-worker/package-lock.json
+++ b/packages/install-counter-worker/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.0",
       "devDependencies": {
         "@cloudflare/workers-types": "^4.20250520.0",
-        "typescript": "^5.9.3",
+        "typescript": "^6.0.3",
         "vitest": "^3.2.6",
         "wrangler": "^4.45.3"
       }
@@ -130,8 +130,7 @@
       "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20260524.1.tgz",
       "integrity": "sha512-9o939wce6hAlfNAIG4W58bySW7twgkqgPkxmSNrk/DV0eEexjTPyqChGdsQeKZEXJAjxSUFklaebMYJWg1GM0g==",
       "dev": true,
-      "license": "MIT OR Apache-2.0",
-      "peer": true
+      "license": "MIT OR Apache-2.0"
     },
     "node_modules/@cspotcode/source-map-support": {
       "version": "0.8.1",
@@ -2043,7 +2042,6 @@
       "integrity": "sha512-QP88BAKvMam/3NxH6vj2o21R6MjxZUAd6nlwAS/pnGvN9IVLocLHxGYIzFhg6fUQ+5th6P4dv4eW9jX3DSIj7A==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -2370,9 +2368,9 @@
       "optional": true
     },
     "node_modules/typescript": {
-      "version": "5.9.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
-      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
+      "integrity": "sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
@@ -2399,7 +2397,6 @@
       "integrity": "sha512-i7qRCmY42zmCwnYlh9H2SvLEypEFGye5iRmEMKjcGi7zk9UquigRjFtTLz0TYqr0ZGLZhaMHl/foy1bZR+Cwlw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "pathe": "^2.0.3"
       }
@@ -2599,7 +2596,6 @@
       "dev": true,
       "hasInstallScript": true,
       "license": "Apache-2.0",
-      "peer": true,
       "bin": {
         "workerd": "bin/workerd"
       },
diff --git a/packages/install-counter-worker/package.json b/packages/install-counter-worker/package.json
index e2367219..82da0602 100644
--- a/packages/install-counter-worker/package.json
+++ b/packages/install-counter-worker/package.json
@@ -9,7 +9,7 @@
   },
   "devDependencies": {
     "@cloudflare/workers-types": "^4.20250520.0",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.3",
     "vitest": "^3.2.6",
     "wrangler": "^4.45.3"
   }