diff --git a/.github/workflows/deploy-site.yml b/.github/workflows/deploy-site.yml
index 7efc38e6..0c205942 100644
--- a/.github/workflows/deploy-site.yml
+++ b/.github/workflows/deploy-site.yml
@@ -62,6 +62,8 @@ jobs:
     - name: "Push Changes"
       run: "git push"
       working-directory: "blog_os_deploy"
+      env:
+        SSH_AUTH_SOCK: /tmp/ssh_agent.sock
 
   # TODO: Reuse artifact by `build-site` workflow when
   # https://github.com/actions/download-artifact/issues/3 is resolved.