diff --git a/seafile-server-8.0-centos-amd64-http b/seafile-server-8.0-centos-amd64-http
index cf995c3..d6ef193 100644
--- a/seafile-server-8.0-centos-amd64-http
+++ b/seafile-server-8.0-centos-amd64-http
@@ -175,7 +175,7 @@ yum install epel-release -y
 yum install python3 python3-setuptools python3-pip python3-ldap memcached java-1.8.0-openjdk \
     libmemcached libreoffice-headless libreoffice-pyuno libffi-devel pwgen curl python3-devel mysql-devel gcc gcc-c++ -y
 
-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
 
 # start memcached on system boot