diff --git a/.gitignore b/.gitignore
index e5f50a0..b905bfc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,5 +3,7 @@
 **/*.map
 spec/**/*.js
 /dist
-.idea/
-*.iml
+.idea/
+*.iml
+coverage/
+.nyc_output