diff --git a/.gitignore b/.gitignore
index a98a8a69457..0938f7891e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,6 @@ target/
 .DS_Store
 Thumbs.db
 *.orig
+
+# flatten ignore
+.flattened-pom.xml
\ No newline at end of file