diff --git a/tmux.conf b/tmux.conf
index d788902..fdfeffb 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -34,3 +34,5 @@ set -g window-status-attr dim
 set -g window-status-current-attr bright
 
 setw -g mode-keys vi
+
+set -g update-environment -r