diff --git a/types/moonjs/tsconfig.json b/types/moonjs/tsconfig.json
index c93f3f5235..f4f17e40cf 100644
--- a/types/moonjs/tsconfig.json
+++ b/types/moonjs/tsconfig.json
@@ -6,6 +6,7 @@
     "compilerOptions": {
         "module": "commonjs",
         "target": "es6",
+        "lib": ["es5", "dom"],
         "noImplicitAny": true,
         "strictNullChecks": true,
         "noImplicitThis": true,