diff --git a/test_apps/contracts_app/.gitignore b/test_apps/contracts_app/.gitignore
index 77bcafb1..b335e859 100644
--- a/test_apps/contracts_app/.gitignore
+++ b/test_apps/contracts_app/.gitignore
@@ -3,3 +3,4 @@ node_modules/
 dist/
 config/production/password
 config/livenet/password
+build/