diff --git a/.github/workflows/modoboa.yml b/.github/workflows/modoboa.yml
index bd3c26eca..9f9b1cae6 100644
--- a/.github/workflows/modoboa.yml
+++ b/.github/workflows/modoboa.yml
@@ -19,6 +19,7 @@ jobs:
       postgres:
         image: postgres:11
         env:
+          TZ: Europe/Paris
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: postgres
           POSTGRES_DB: postgres