diff --git a/.gitignore b/.gitignore
index 8a06e267..341be631 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@ dist/*
 *.so
 *~
 msgpack/__version__.py
+msgpack/*.c
 msgpack/*.cpp
 *.egg-info
 /venv