diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ca83d50..c0b586e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -74,11 +74,12 @@ build:
 
 deploy:
   stage: deploy
-  image: alpine:latest
+  image: debian:latest
   before_script:
-    - 'command -v ssh-agent >/dev/null || ( apk add --update openssh )'
+    - 'command -v ssh-agent >/dev/null || ( apt-get update -y && apt-get install openssh-client -y )'
     - eval $(ssh-agent -s)
-    - cat "$SSH_PRIVATE_KEY" | ssh-add -
+    - chmod 400 "$SSH_PRIVATE_KEY"
+    - ssh-add "$SSH_PRIVATE_KEY"
     - mkdir -p ~/.ssh
     - chmod 700 ~/.ssh
     - ssh-keyscan $REMOTE_HOST >> ~/.ssh/known_hosts