diff --git a/.forgejo/workflows/pipeline.yml b/.forgejo/workflows/pipeline.yml
index 9d03f60..22d0898 100644
--- a/.forgejo/workflows/pipeline.yml
+++ b/.forgejo/workflows/pipeline.yml
@@ -23,16 +23,16 @@ jobs:
       - name: Recuperation du code
         uses: actions/checkout@v4
 
-      - name: Installation de Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.14"
-
-      - name: Installation des dependances
-        run: pip install -r requirements.txt
+      - name: Installation de Python et des dependances
+        run: |
+          apt-get update
+          apt-get install -y --no-install-recommends python3-venv
+          python3 -m venv .venv
+          .venv/bin/pip install --upgrade pip
+          .venv/bin/pip install -r requirements.txt
 
       - name: Execution du pipeline (split -> train --register -> promote)
-        run: python pipeline.py
+        run: .venv/bin/python pipeline.py
         env:
           # Serveur MLflow (basic auth) : URLs HTTPS via Caddy, resolues sur mlops-net.
           MLFLOW_TRACKING_URI: ${{ secrets.MLFLOW_TRACKING_URI }}