diff --git a/requirements.txt b/requirements.txt
index 04c3a7f..9070691 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Jinja2
 Werkzeug<0.16
 Pygments<2.6;python_version<'3'
 Pygments;python_version>='3'
-SQLAlchemy
+SQLAlchemy<2.0.0
 PyMySQL
 simplejson
 Babel