diff --git a/.gitmodules b/.gitmodules
index 3ebd6a6..94417a6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,6 @@
 [submodule "hookio/hooks/Mailer"]
 	path = hookio/hooks/Mailer
-	url = https://github.com/balkian/Hookio-Mailer.git
+	url = git@github.com:balkian/Hookio-Mailer.git
 #[submodule "configuration"]
 #	path = configuration
 #	url = git@bitbucket.org:balkian/web4.0-configuration.git