diff --git a/.github/workflows/airflow.yml b/.github/workflows/airflow.yml
index d5a722a..fbc7f5f 100644
--- a/.github/workflows/airflow.yml
+++ b/.github/workflows/airflow.yml
@@ -47,7 +47,7 @@ jobs:
 
     steps:
       - name: Récupère le dépôt
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Installe uv
         uses: astral-sh/setup-uv@v5
@@ -78,7 +78,7 @@ jobs:
 
     steps:
       - name: Récupère le dépôt
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Construit l'image (contexte à la racine, elle COPY ml/ et apps/backend/)
         run: docker build -f etl/airflow/Dockerfile -t enervision-airflow:ci .
diff --git a/.github/workflows/backend.yml b/.github/workflows/backend.yml
index 34837cd..b3b7dd5 100644
--- a/.github/workflows/backend.yml
+++ b/.github/workflows/backend.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Récupère le dépôt
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Installe uv
         uses: astral-sh/setup-uv@v5
@@ -90,7 +90,7 @@ jobs:
 
     steps:
       - name: Récupère le dépôt
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Installe uv
         uses: astral-sh/setup-uv@v5
@@ -126,7 +126,7 @@ jobs:
 
     steps:
       - name: Récupère le dépôt
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Installe uv
         uses: astral-sh/setup-uv@v5
@@ -150,7 +150,7 @@ jobs:
 
     steps:
       - name: Récupère le dépôt
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       # Pourquoi : pas de cache ici. uvx n'installe pas le projet, le verrou n'alimente donc
       # aucune clé de cache ; la seule roue téléchargée est celle de Bandit.
diff --git a/.github/workflows/frontend.yml b/.github/workflows/frontend.yml
index daaa6e3..0dd4dc8 100644
--- a/.github/workflows/frontend.yml
+++ b/.github/workflows/frontend.yml
@@ -17,7 +17,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: 24
@@ -33,7 +33,7 @@ jobs:
     name: Audit des dépendances
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: 24
@@ -45,7 +45,7 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: 24
diff --git a/.github/workflows/ml.yml b/.github/workflows/ml.yml
index 00189e2..4b9be7b 100644
--- a/.github/workflows/ml.yml
+++ b/.github/workflows/ml.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Récupère le dépôt
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Installe uv
         uses: astral-sh/setup-uv@v5
@@ -67,7 +67,7 @@ jobs:
 
     steps:
       - name: Récupère le dépôt
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       # Pourquoi : pas de cache ici. uvx n'installe pas le projet, le verrou n'alimente donc
       # aucune clé de cache ; la seule roue téléchargée est celle de Bandit.
diff --git a/.github/workflows/sonarqube.yml b/.github/workflows/sonarqube.yml
index 8486fd1..be978d5 100644
--- a/.github/workflows/sonarqube.yml
+++ b/.github/workflows/sonarqube.yml
@@ -24,7 +24,7 @@ jobs:
   build-front:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: 24
@@ -40,7 +40,7 @@ jobs:
     needs: build-front
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: 24
@@ -64,7 +64,7 @@ jobs:
   build-back:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Installe uv
         uses: astral-sh/setup-uv@v5
         with:
@@ -95,7 +95,7 @@ jobs:
     needs: build-back
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Installe uv
         uses: astral-sh/setup-uv@v5
         with:
@@ -115,7 +115,7 @@ jobs:
   test-ml:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Installe uv
         uses: astral-sh/setup-uv@v5
         with:
@@ -148,7 +148,7 @@ jobs:
     if: github.actor != 'dependabot[bot]'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Téléchargement du rapport de couverture (Front)