diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 457bc698c851c5394052e258ec9988c29eae6997..6849dbc0338c0f82de52d9d7bf2f8f3526e86fc0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -94,6 +94,7 @@ before_script:
   - cd ../..
 #GNSS Utils
   - git clone ssh://git@gitlab.iri.upc.edu:2202/mobile_robotics/gauss_project/gnss_utils.git
+  - git submodule update --init
   - cd gnss_utils
   - mkdir -pv build
   - cd build