ignore .checkstyle
diff --git a/.gitignore b/.gitignore
index 2894b8b..c8945e1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@
 build
 .idea
 .java-version
+.checkstyle
 nbactions.xml
 maven-scm-providers/maven-scm-providers-cvs/maven-scm-provider-cvsexe/src/test/repository/CVSROOT/history
 maven-scm-providers/maven-scm-providers-cvs/maven-scm-provider-cvsjava/src/test/repository/CVSROOT/history