diff --git a/.gitignore b/.gitignore
index 34e94b5..84386be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,6 +45,7 @@ hs_err_pid*
 # IntelliJ
 /out/
 .idea/
+*/out
 
 # mpeltonen/sbt-idea plugin
 .idea_modules/