diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index afb488212c46c2f1c8e1b1d54077b6563955d88d..b1b5803f5df8d44195272d8a94a85ddc122b6860 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,6 +14,7 @@ variables:
     GIT_DEPTH: 0
 
 check_current_version:
+  image: alpine:3.8
   before_script:
     - apk add html-xml-utils curl jq
   stage: prepare
@@ -170,9 +171,10 @@ mkdocs-dev:
     - if: $CI_COMMIT_BRANCH
 
 .prepare_deploy: &prepare_deploy
+  image: alpine:3.8
   stage: deploy
   before_script: 
-      - apk update && apk add rsync
+      - apk update && apk add rsync openssh
       - eval $(ssh-agent -s)
       - echo "$SSH_HOSTING_KEY" | tr -d '\r' | ssh-add -
       - mkdir -p ~/.ssh