diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a3be5240cf408906f06f42811c9a83946214f2b5..5a3de79163f970b5266f05de04c3fba23993a15b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,7 +26,8 @@ build-singularity:
     - singularity --version
     - singularity build $SINGULARITY_IMAGE Singularity
     - apt-get update -qy
-    - apt-get install -y lftp
+    - apt-get install -qy lftp
+    - apt-get install -qy ssh
     - mkdir -p ~/.ssh/
     - touch ~/.ssh/known_hosts
     - ssh-keyscan -H $KM3NET_SFTP_HOST >> ~/.ssh/known_hosts