diff --git a/.github/workflows/deploy-dev.yml b/.github/workflows/deploy-dev.yml
index 4f3178761..a6251c6bc 100644
--- a/.github/workflows/deploy-dev.yml
+++ b/.github/workflows/deploy-dev.yml
@@ -73,6 +73,7 @@ jobs:
           pecl install pecl.php.net/ssh2-1.4.1
           echo extension=ssh2.so > /usr/local/etc/php/conf.d/ssh2.ini
           echo "${{ secrets.DEPLOY_SSH_KEY }}" > id_rsa
+          chmod 600 id_rsa
           ssh-keygen -f id_rsa -y > id_rsa.pub
       - name: Deploy
         run: phing deploy