diff --git a/.gitignore b/.gitignore
index d8e3e3ee170997d95bce4ca591a79b4e53c44236..db9f34667fb382c2bfca425c2db9b4d995e35369 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 .classpath
 .settings/*
 bin/*
+UML.dia~