diff --git a/.gitmodules b/.gitmodules
index d0fbd1c..57061ca 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "rules"]
 	path = data
 	url = https://gitlab.com/anti-tracking/ClearURLs/rules.git
+	branch = master