diff --git a/.gitignore b/.gitignore
index 3e83728..95d6e64 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@ out/
 *.ipr
 *.iws
 .gradle
+app/build/
 build/
 gradle-app.setting
 !gradle-wrapper.jar