diff --git a/.gitmodules b/.gitmodules
index e17a7c00895b772f69e98820d9d673f01d1bea43..f460f717739dd4a7913746ff3d9c408dad07587a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "theme"]
 	path = theme
-    url = https://git-r3lab.uni.lu/R3/outreach/theme.git
+    url = ssh://git@git-r3lab-server.uni.lu:8022/R3/outreach/theme.git