diff --git a/.gitignore b/.gitignore
index e4490a8e1..c1eddbffa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,6 +32,7 @@ data/org.gnome.shell.evolution.calendar.gschema.xml
 data/org.gnome.shell.evolution.calendar.gschema.valid
 data/org.gnome.Shell.PortalHelper.desktop
 data/org.gnome.Shell.PortalHelper.service
+data/theme/.sass-cache
 docs/reference/*/*.args
 docs/reference/*/*.bak
 docs/reference/*/*.hierarchy