diff --git a/.gitmodules b/.gitmodules
index abf5679d..9760bcc9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "ucd-tools"]
 	path = ucd-tools
-	url = git@github.com:rhdunn/ucd-tools.git
+	url = git://github.com/rhdunn/ucd-tools.git