diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8bcb262..3c99fe6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -18,7 +18,7 @@ build_test:
     - git clone ${SPACK_REPO} -b ${SPACK_BRANCH}
     - . "./spack/share/spack/setup-env.sh"
     - spack env activate --without-view env/merlin/${SPACK_PCKG}
-    - spack install -j ${MAX_JOB_NB} git-lfs
+    - spack install -j ${MAX_JOB_NB} --add git-lfs
     - spack develop ${SPACK_SPEC}
     - spack install -j ${MAX_JOB_NB}
     - spack load ${SPACK_SPEC}