diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f6e2ba23ed1e793e8072ff66bfa71531f5637010..e0272a1524b72a3895e0750863dc86dcb8c9cb2f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -73,8 +73,7 @@ stages:
   - if [ -d wolf ]; then
   -   echo "directory wolf exists"
   -   cd wolf
-  -   git checkout devel
-  -   git pull
+  -   git fetch --all
   -   git checkout $WOLF_CORE_BRANCH
   -   git pull
   - else
@@ -92,10 +91,10 @@ stages:
   - if [ -d gnss_utils ]; then
   -   echo "directory gnss_utils exists"
   -   cd gnss_utils
-  -   git checkout main
-  -   git pull
+  -   git fetch --all
   -   git checkout ${GNSSUTILS_BRANCH}
   -   git pull
+  -   git submodule update
   - else
   -   git clone -b ${GNSSUTILS_BRANCH} ssh://git@gitlab.iri.upc.edu:2202/mobile_robotics/gauss_project/gnss_utils.git
   -   cd gnss_utils