diff --git a/.gitignore b/.gitignore
index 83bb1c5..4db47ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@ lib-cov
 
 # Coverage directory used by tools like istanbul
 coverage
+.nyc_output
 
 # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
 .grunt