diff --git a/lib/taskana-core/.gitignore b/lib/taskana-core/.gitignore
index 9ed481cb6..6dec5d949 100644
--- a/lib/taskana-core/.gitignore
+++ b/lib/taskana-core/.gitignore
@@ -1,2 +1,3 @@
 /.apt_generated/
 /target/
+.checkstyle