diff --git a/.github/workflows/server-dpl.yml b/.github/workflows/server-dpl.yml
index a22ae5c..348f9a2 100644
--- a/.github/workflows/server-dpl.yml
+++ b/.github/workflows/server-dpl.yml
@@ -56,6 +56,9 @@ jobs:
             slackingdjaeger/jagadis-server:latest
             slackingdjaeger/jagadis-server:${{ github.sha }}
 
+      - name: Update known_hosts file
+        run: ssh-keyscan -t rsa ${{ secrets.SSH_HOST }} >> $HOME/.ssh/known_hosts
+
       - name: SSH to update .env, docker-compose.yml, and run migrations on the server
         uses: appleboy/ssh-action@master
         with: