diff --git a/.hgignore b/.hgignore
index 56406cb..bb7a7a5 100644
--- a/.hgignore
+++ b/.hgignore
@@ -5,3 +5,4 @@ mds_cashbook.egg-info/*
 locale/convert_de2en.py
 __pycache__/*
 .pytest_cache/*
+.env