diff --git a/.drone.yml b/.drone.yml
index 41edb4a..9c9b467 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -37,6 +37,7 @@ steps:
     commands:
       - mkdir $HOME/.ssh
       - echo $GCE_SSH_KEY > $HOME/.ssh/google_compute_engine
+      - chmod 600 $HOME/.ssh/google_compute_engine
       - echo $GCE_CREDENTIALS_JSON > $HOME/ansible-testing.json
       - pip install apache-libcloud pycrypto --user
       - molecule create --scenario-name gce-centos-7