diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d76b6a2c2343eda1fffd8c2e3f3f5185e14cb24f..2b0166f257f84a85beb6d77ee3b557310871c47d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: registry-gitlab.pasteur.fr/dsi-tools/docker-images/docker:latest
+image: registry-gitlab.pasteur.fr/dsi-tools/docker-images/docker:18
 
 services:
     - registry-gitlab.pasteur.fr/dsi-tools/docker-images/docker:dind
@@ -22,6 +22,8 @@ singularity:
     - singularity build singularity.sif Singularity
     - ls -lh singularity.sif
     - singularity push --docker-username "${CI_REGISTRY_USER}" --docker-password "${CI_REGISTRY_PASSWORD}" singularity.sif oras://"$CI_REGISTRY_IMAGE":latest
-  artifacts:
-    paths:
-    - singularity.sif
+# disabled: 4.9 GB too big
+#  artifacts:
+#    paths:
+#    - singularity.sif
+#