diff --git a/.gitignore b/.gitignore
index f26b810..811cd16 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,5 @@ node_modules
 server/config.js
 server/certificates/*
 !server/certificates/.gitkeep
+
+.npmrc
diff --git a/package.json b/package.json
index fbb4384..ea732d9 100644
--- a/package.json
+++ b/package.json
@@ -53,5 +53,8 @@
         "git add"
       ]
     }
+  },
+  "engines": {
+    "node": "{}"
   }
 }