diff --git a/.gitmodules b/.gitmodules
index 1739275a..09cc7fdf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "spec/mustache"]
 	path = spec/mustache
-	url = git://github.com/mustache/spec.git
+	url = https://github.com/mustache/spec.git