diff --git a/.gitignore b/.gitignore
index 3cf05e0c6..b645cf69e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,7 +22,8 @@ lib64
 pip-log.txt
 
 # Unit test / coverage reports
-.coverage
+.coverage*
+.diagram-tools/*
 .tox
 nosetests.xml
 .venv