diff --git a/.gitignore b/.gitignore
index 99e27980..049b4e11 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,5 @@ nbdime/webapp/static/**
 !nbdime/webapp/static/favicon.ico
 package-lock.json
 *.tsbuildinfo
+
+.idea