diff --git a/.gitmodules b/.gitmodules
index e9c63884..c1ff36e1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "vendor/cmocka"]
 	path = vendor/cmocka
-	url = git://git.cryptomilk.org/projects/cmocka.git
+	url = https://git.cryptomilk.org/projects/cmocka.git
 	branch = master