diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4dfff73..887972d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,6 +16,12 @@ variables:
 check_app_update:
   stage: check
   image: debian:latest
+  before_script:
+    - apt-get update && apt-get install -y git ssh
+    - mkdir -p ~/.ssh
+    - echo "$GITHUB_SSH_KEY" | tr -d '\r' > ~/.ssh/id_rsa
+    - chmod 600 ~/.ssh/id_rsa
+    - ssh-keyscan github.com >> ~/.ssh/known_hosts
   script:
     # Récupère le dernier commit distant
     - LATEST_REMOTE=$(git ls-remote $APP_REPO HEAD | awk '{print $1}')