diff --git a/.gitignore b/.gitignore
index 1f74907d3..047de2754 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,4 @@ site/src/site/sphinx/en/_build
 
 dependency-reduced-pom.xml
 pom.xml.versionsBackup
+.pmd