diff --git a/.github/workflows/ci_cd_branch_master.yml b/.github/workflows/ci_cd_branch_master.yml
index 946d5ec6e..527378027 100644
--- a/.github/workflows/ci_cd_branch_master.yml
+++ b/.github/workflows/ci_cd_branch_master.yml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   build_and_test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python-version: ["3.10"]
@@ -49,7 +49,7 @@ jobs:
 
   build_and_push_to_dockerhub:
     needs: build_and_test
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout repository
@@ -81,7 +81,7 @@ jobs:
 
 #  deploy_to_heroku:
 #    needs: build_and_push_to_dockerhub
-#    runs-on: ubuntu-latest
+#    runs-on: ubuntu-22.04
 #
 #    steps:
 #      - name: Checkout code
diff --git a/Dockerfile b/Dockerfile
index 19674f0b5..78ca46381 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # Étape 1 : Installation des dépendances de construction
 # Utilisation de l'image Python 3.7.2 basée sur Alpine Linux
-FROM python:3.7.2-alpine AS builder
+FROM python:3.10-alpine AS builder
 
 # Installation des bibliothèques PostgreSQL
 RUN apk add --no-cache postgresql-libs
@@ -30,7 +30,7 @@ RUN /app/venv/bin/pip install --upgrade pip
 RUN /app/venv/bin/pip install -r requirements.txt
 
 # Étape 3 : Construction de l'image finale
-FROM python:3.7.2-alpine
+FROM python:3.10-alpine
 
 # Configuration du répertoire de travail
 WORKDIR /app
@@ -49,6 +49,10 @@ COPY . /app/
 
 # Copie des dépendances Python de l'étape python-dependencies
 COPY --from=python-dependencies /app/venv /app/venv
+RUN /app/venv/bin/pip install --upgrade pip
+RUN apk del .build-deps
+RUN apk add zlib-dev jpeg-dev libjpeg
+
 
 # Collecte des fichiers statiques de l'application
 RUN /app/venv/bin/python manage.py collectstatic --noinput --settings=oc_lettings_site.settings