diff --git a/.gitignore b/.gitignore
index 99ca6cc..19315f7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,9 @@ __pycache__/
 .project
 .pydevproject
 .settings/
+
+# Coverage output.
+.coverage
+coverage.xml
+htmlcov/
+*.py,cover