diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 13b0ffba..876c6744 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,9 +11,9 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: "Set up Python"
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v5
         with:
-          python-version: '3.9'
+          python-version: '3.12'
 
       - name: "python backend - install requirements"
         working-directory: srv/python
diff --git a/srv/python/README.md b/srv/python/README.md
index b0ebe084..b005802d 100644
--- a/srv/python/README.md
+++ b/srv/python/README.md
@@ -1,7 +1,7 @@
 # MViewerStudio Backend v2
 
 Ce dossier contient la version 2 du backend de mviewerstudio. Cette version est
-écrite en python (3.7+) et utilise le framework Flask. Il n'y aucune base de
+écrite en python (3.11+) et utilise le framework Flask. Il n'y aucune base de
 données, les données sont stockées dans des fichiers json.
 
 ## Installation
@@ -19,4 +19,3 @@ Vous pouvez utiliser la composition docker présente à la racine du dépot. Le
 
 * Lancer les tests unitaires : `pytest mviewerstudio_backend/test.py`
 * Vérifier les types : `mypy --ignore-missing mviewerstudio_backend`
-
diff --git a/srv/python/requirements.txt b/srv/python/requirements.txt
index 0a397685..f10a22c0 100644
--- a/srv/python/requirements.txt
+++ b/srv/python/requirements.txt
@@ -1,5 +1,5 @@
 flask>=2
-gunicorn>20,<21
+gunicorn>20
 lxml>=4.9.2
 GitPython>=3
 requests
diff --git a/srv/python/setup.py b/srv/python/setup.py
index eb1c20d8..0c94bcda 100644
--- a/srv/python/setup.py
+++ b/srv/python/setup.py
@@ -12,11 +12,11 @@
     url="https://github.com/mviewer/mviewerstudio",
     packages=find_packages(),
     install_requires=REQUIREMENTS,
+    python_requires=">=3.11",
     classifiers=[
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.11",
         "Framework :: Flask",
         "Topic :: Internet :: WWW/HTTP",
         "Topic :: Internet :: WWW/HTTP :: WSGI :: Application",