diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 86b2c56..1810b63 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -31,6 +31,7 @@ deploy:
   script:
   - mkdir -p ~/.ssh
   - echo "$SSH_PRIVATE_KEY" > ~/.ssh/id_rsa
+  - chmod 600 ~/.ssh/id_rsa
   - eval $(ssh-agent -s)
   - ssh-add ~/.ssh/id_rsa
   - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'