istanbuljs
diff --git a/‎.gitignore
-1 b/‎.gitignore
-1
diff --git a/‎.npmrc
-1 b/‎.npmrc
-1
diff --git a/‎appveyor.yml
+1-1 b/‎appveyor.yml
+1-1
@@ -6,4 +6,3 @@ test/build/
 *.covered.js
 *.swp
 needs-transpile.js
-package-lock.json
@@ -5,7 +5,7 @@ environment:
 install:
   - ps: Install-Product node $env:nodejs_version
   - npm cache clear
-  - npm i npm@latest -g
+  - npm i npm@5 -g
   - set PATH=%APPDATA%\npm;%PATH%
   - set CI=true
   - npm config set progress=false