diff --git a/seafile-server-8.0-ubuntu-amd64-http b/seafile-server-8.0-ubuntu-amd64-http
index 2150016..43e234c 100644
--- a/seafile-server-8.0-ubuntu-amd64-http
+++ b/seafile-server-8.0-ubuntu-amd64-http
@@ -154,7 +154,7 @@ apt-get update
 apt-get install -y python3 python3-setuptools python3-pip python3-ldap memcached openjdk-8-jre \
     libmemcached-dev libreoffice-script-provider-python libreoffice pwgen curl nginx libmysqlclient-dev
 
-pip3 install --timeout=3600 django==2.2.* future mysqlclient pymysql Pillow pylibmc captcha jinja2 sqlalchemy \
+pip3 install --timeout=3600 django==2.2.* future mysqlclient pymysql Pillow pylibmc captcha jinja2 sqlalchemy==1.4.3 \
     psd-tools django-pylibmc django-simple-captcha