diff --git a/.github/workflows/springboot-on-push.yaml b/.github/workflows/springboot-on-push.yaml
index 10726396..7ccb5467 100644
--- a/.github/workflows/springboot-on-push.yaml
+++ b/.github/workflows/springboot-on-push.yaml
@@ -33,11 +33,17 @@ jobs:
     - name: Test with Gradle
       run: ./gradlew test
 
-    # Deploy
-    - name: Set up SSH
+    # Setup SSH
+    - name: Set up SSH agent with private key
       uses: webfactory/ssh-agent@v0.5.4
       with:
         ssh-private-key: ${{ secrets.SPRINGBOOT_EC2_SSH_KEY }}
+    - name: Add remote server to known hosts
+      run: |
+        mkdir -p ~/.ssh
+        ssh-keyscan -H ${{ secrets.SPRINGBOOT_HOST_DNS }} >> ~/.ssh/known_hosts
+
+    # Deploy
     - name: SCP jar file to server
       run: |
         scp *jar ${{ secrets.SPRINGBOOT_USERNAME }}@${{ secrets.SPRINGBOOT_HOST_DNS }}:~/\