diff --git a/Dockerfile b/Dockerfile
index 681fe8ecedadf3de9cfcde81057a13c22f8b34ad..974f03f8714472a5953acc1e69b763cd537058e9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN ( git clone https://gitlab.cyberbrain.pw/mirror/sopds.git /tmp || echo error
 
 ############################################################
 
-FROM python:3.10-slim AS base
+FROM python:3.7-slim AS base
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
 ENV PATH="/opt/sopds/bin:$PATH"
diff --git a/requirements-override.txt b/requirements-override.txt
index 98f2666438fdad3e4085c5242b612526f68a3074..8048ee334ea251d2e1ba999dc527d72115d54668 100644
--- a/requirements-override.txt
+++ b/requirements-override.txt
@@ -5,4 +5,4 @@ mysqlclient
 psycopg2
 
 
-# Django >= 1.10, < 2.0; python_version >= '3.4'
+Django >= 1.10, < 3.0; python_version >= '3.4'