diff --git a/.gitignore b/.gitignore
index 95c4f7c68657726388dbc0307534103566721bd5..f580f9b0380deed6f45c5a8685c4567cb4a96e6c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ __pycache__
 build
 dist
 version.txt
+.tox