diff --git a/.gitea/workflows/test_infra.yaml b/.gitea/workflows/test_infra.yaml
index 10d8784..4ce7e7c 100644
--- a/.gitea/workflows/test_infra.yaml
+++ b/.gitea/workflows/test_infra.yaml
@@ -12,10 +12,13 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Add the SSH key to known_hosts
+        env:
+          SSH_AUTH_SOCK: /tmp/ssh_agent.sock
         run: |
           mkdir -p ~/.ssh
-          ssh-keyscan -p 222 10.55.5.123 >> ~/.ssh/known_hosts
+          ssh-agent -a $SSH_AUTH_SOCK > /dev/null
           ssh-add - <<< "${{ secrets.MY_SSH_PRIV_KEY }}"
+          ssh-keyscan -p 222 10.55.5.123 >> ~/.ssh/known_hosts
           # echo ${{ vars.MY_SSH_PRIV_KEY }} > ~/.ssh/id_rsa
           # chmod 0600 ~/.ssh/id_rsa