diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 865d2ad..eb4f169 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Setup Python
         uses: actions/setup-python@v5
@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Setup Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/cicd.yml b/.github/workflows/cicd.yml
index 2b9db71..c59ac90 100644
--- a/.github/workflows/cicd.yml
+++ b/.github/workflows/cicd.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-python@v5
         with:
@@ -34,7 +34,7 @@ jobs:
     if: github.ref_name == 'main'  # uniquement sur la branche main
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       # TODO: ajouter le step de déploiement sur Azure App Service
       # (remplacez app-name par votre nom d'application)
@@ -47,6 +47,6 @@ jobs:
     if: github.ref_name == 'main'
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       # TODO: même chose pour la production
diff --git a/.github/workflows/hello.yml b/.github/workflows/hello.yml
index b3d00ff..6eee364 100644
--- a/.github/workflows/hello.yml
+++ b/.github/workflows/hello.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout du code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Informations sur l'environnement
         run: |