diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f75a9f7..7dc7617 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,19 +7,30 @@ on:
       - develop
       - test-ci
   pull_request:
+
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: self-hosted   # on utilise TON runner act_runner
+
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - name: Checkout via SSH
+        uses: actions/checkout@v4
+        with:
+          ssh-key: ${{ secrets.RUNNER_SSH_KEY }}  # la clé privée ici
+          persist-credentials: false
+          fetch-depth: 1
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
         with:
-          ssh-key: ${{ secrets.RUNNER_SSH_KEY }}
           node-version: 20
           cache: 'npm'
+
       - name: Install dependencies
         run: npm ci
+
       - name: Run unit tests
         run: npm test -- --runInBand
+
       - name: Run e2e tests
         run: npm run test:e2e -- --runInBand