diff --git a/.gitmodules b/.gitmodules
index b5ff28c..a2290e7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "cmake"]
 	path = cmake
-	url = http://system@scm.trinitydesktop.org/scm/git/tde-common-cmake
+	url = https://system@scm.trinitydesktop.org/scm/git/tde-common-cmake
 	branch = master