diff --git a/.gitlab/ci/default.gitlab-ci.yml b/.gitlab/ci/default.gitlab-ci.yml
index 11fa5c5e74a06581b61d4889463d37b4fa3ffa39..4644c2c857b157461862779ce9d5c52dd5a6311e 100644
--- a/.gitlab/ci/default.gitlab-ci.yml
+++ b/.gitlab/ci/default.gitlab-ci.yml
@@ -35,6 +35,7 @@ variables:
 # This job is here to handle dependencies install package specific dependencies
 .retrieve_deps:apt:
   script:
+    - set -x
     - apt-get update -qq 
     - >
       case $CI_PROJECT_NAME in 
@@ -53,3 +54,4 @@ variables:
         * )
           ;;
       esac
+    - set +x
diff --git a/.gitlab/ci/ubuntu_python.gitlab-ci.yml b/.gitlab/ci/ubuntu_python.gitlab-ci.yml
index 38572c2af8b44ce688e5e6120198458e9e9d0c90..8e7afa2f7ba5ba7ec9126e23e03eaa1d672e9ef9 100644
--- a/.gitlab/ci/ubuntu_python.gitlab-ci.yml
+++ b/.gitlab/ci/ubuntu_python.gitlab-ci.yml
@@ -76,11 +76,10 @@ coverage:ubuntu_python:
     - docker
 
   before_script: 
-    - apt-get update
+    - !reference [.retrieve_deps:apt, script]
     - apt-get install -y python-is-python3 python3-pip cmake # cmake for aidge_core tests
     - source venv/bin/activate
     - python -m pip install numpy coverage requests unittest-xml-reporting
-    - !reference [.retrieve_deps:apt, script]
   script:
     - cd ${CI_PROJECT_NAME}
     # Retrieve the installation path of the module, since it is installed with pip.