diff --git a/.gitignore b/.gitignore
index 7f297e1f6f..965f0a57e8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,6 +23,7 @@ TAGS
 npm-debug.log
 universe
 .babel-cache
+.reify-cache
 mongo-test-output
 
 # core packages shouldn't have .versions files