diff --git a/.gitmodules b/.gitmodules
index f100604701..f5edc0f963 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,6 @@
 [submodule "content/themes/casper"]
 	path = content/themes/casper
-	url = https://github.com/TryGhost/Casper.git
+	url = git@github.com:TryGhost/Casper.git
 [submodule "core/client"]
 	path = core/client
-	url = https://github.com/TryGhost/Ghost-Admin.git
+	url = git@github.com:TryGhost/Ghost-Admin.git