diff --git a/.semaphore/main-deploy.yml b/.semaphore/main-deploy.yml
index 77cf61e..4be407e 100644
--- a/.semaphore/main-deploy.yml
+++ b/.semaphore/main-deploy.yml
@@ -9,13 +9,16 @@ blocks:
   - name: main-deploy
     task:
       secrets:
-        - name: heroku-http
+        - name: semeli
       env_vars:
         - name: DOKKU_APP_NAME
           value: semeli
+        - name: GIT_SSH_COMMAND
+          value: ssh -i /home/semaphore/.ssh/hetzner-github.key -o StrictHostKeyChecking=no
       jobs:
         - name: main-deploy
           commands:
             - checkout --use-cache
             - git remote add dokku ssh://dokku@$DOKKU_SERVER_IP:22/$DOKKU_APP_NAME
+            - chmod 600 /home/semaphore/.ssh/hetzner-github.key
             - git push dokku -f $SEMAPHORE_GIT_BRANCH:main