diff --git a/.github/workflows/docker-hub.yml b/.github/workflows/docker-hub.yml
index e9f40a3..2eea5bf 100644
--- a/.github/workflows/docker-hub.yml
+++ b/.github/workflows/docker-hub.yml
@@ -125,5 +125,5 @@ jobs:
         name: Call argocd github webhook
         run: |
           data='{"ref": "'$GITHUB_REF'","repository": {"html_url":"'$GITHUB_SERVER_URL'/numerique-gouv/lasuite-deploiement"}}'
-          sig=$(echo -n ${data} | openssl dgst -sha1 -hmac ''${ARGOCD_WEBHOOK_SECRET}'' | awk '{print "X-Hub-Signature: sha1="$2}')
-          curl -X POST -H 'X-GitHub-Event:push' -H "Content-Type: application/json" -H "${sig}" --data "${data}" $ARGOCD_WEBHOOK_URL
+          sig=$(echo -n ${data} | openssl dgst -sha1 -hmac ''${{ secrets.ARGOCD_PREPROD_WEBHOOK_SECRET}}'' | awk '{print "X-Hub-Signature: sha1="$2}')
+          curl -X POST -H 'X-GitHub-Event:push' -H "Content-Type: application/json" -H "${sig}" --data "${data}" ${{ vars.ARGOCD_PREPROD_WEBHOOK_URL }}