diff --git a/.gitignore b/.gitignore
index 3c17794e..86a181dc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,4 @@ liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/.classpath
 liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/.project
 liferay-plugins-sdk-6.2/portlets/portos-advanced-operation-portlet/.tern-project
 *.MD5
+service-classes