diff --git a/.github/workflows/modoboa.yml b/.github/workflows/modoboa.yml
index 9f9b1cae6..bd3c26eca 100644
--- a/.github/workflows/modoboa.yml
+++ b/.github/workflows/modoboa.yml
@@ -19,7 +19,6 @@ jobs:
       postgres:
         image: postgres:11
         env:
-          TZ: Europe/Paris
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: postgres
           POSTGRES_DB: postgres
diff --git a/test_project/test_project/settings.py b/test_project/test_project/settings.py
index d3c27a444..f48ad6b15 100644
--- a/test_project/test_project/settings.py
+++ b/test_project/test_project/settings.py
@@ -160,7 +160,7 @@ WSGI_APPLICATION = 'test_project.wsgi.application'
 
 LANGUAGE_CODE = 'en-us'
 
-TIME_ZONE = 'UTC'
+TIME_ZONE = 'Europe/Paris'
 
 USE_I18N = True