diff --git a/.gitmodules b/.gitmodules
index 81ca331..1aaa50a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "test/spec"]
 	path = test/spec
-	url = http://github.com/mustache/spec.git
+	url = git://github.com/mustache/spec.git