diff --git a/.github/workflows/code-style.yml b/.github/workflows/code-style.yml
index 4c9da500..8bfc38bb 100644
--- a/.github/workflows/code-style.yml
+++ b/.github/workflows/code-style.yml
@@ -11,9 +11,6 @@ jobs:
       - uses: actions/setup-node@v6
         with:
           node-version-file: .nvmrc
-      # Ensure npm 11.5.1 or later is installed
-      - name: Update npm
-        run: npm install -g npm@latest
       - name: Install dependencies
         run: npm ci
       - name: Run code style checks
diff --git a/package-lock.json b/package-lock.json
index d3786c85..ec4e202e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,7 @@
       },
       "engines": {
         "node": "^24",
-        "npm": "^11.6.1"
+        "npm": "^11.6.1, <11.6.3 || ^11.6.4, <11.12.0"
       }
     },
     "node_modules/@bufbuild/protobuf": {
diff --git a/package.json b/package.json
index 94541085..6e955557 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,6 @@
   },
   "engines": {
     "node": "^24",
-    "npm": "^11.6.1"
+    "npm": "^11.6.1, <11.6.3 || ^11.6.4, <11.12.0"
   }
 }