diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 5e2f59e..165f5c1 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -18,15 +18,15 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v5
 
-      - name: Setup SSH agent
-        uses: webfactory/ssh-agent@v0.9.0
-        with:
-          ssh-private-key: ${{ secrets.DEPLOY_SSH_KEY }}
-
-      - name: Configure known hosts
+      - name: Configure SSH key
         run: |
           mkdir -p ~/.ssh
           chmod 700 ~/.ssh
+          printf '%s\n' "${{ secrets.DEPLOY_SSH_KEY }}" > ~/.ssh/id_ed25519
+          chmod 600 ~/.ssh/id_ed25519
+
+      - name: Configure known hosts
+        run: |
           printf '%s\n' "${{ secrets.DEPLOY_KNOWN_HOSTS }}" > ~/.ssh/known_hosts
           chmod 644 ~/.ssh/known_hosts