diff --git a/.gitmodules b/.gitmodules
index 1649b9eab000d6569e858dda516238ab7a15edea..2999783577610c44e39242e31c38b22559de61b4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "deps/RTKLIB"]
 	path = deps/RTKLIB
-	url = https://gitlab.iri.upc.edu/mobile_robotics/gauss_project/RTKLIB.git
+	url = ssh://git@gitlab.iri.upc.edu:2202/mobile_robotics/gauss_project/RTKLIB.git
+	branch = demo5