diff --git a/.hgignore b/.hgignore
index 24828355e2bf884a723b9232c387826c7d8499f2_LmhnaWdub3Jl..e1314477d8af3c85f145aca1dd57951b92bd16c6_LmhnaWdub3Jl 100644
--- a/.hgignore
+++ b/.hgignore
@@ -2,6 +2,7 @@
 
 *.pyc
 .venv
+.tox
 jhg-sync
 env
 results