diff --git a/requirements.txt b/requirements.txt
index 3fb23ea3..7213ac19 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ iso-639>=0.4.5
 PyPDF2==1.26.0
 pytz>=2016.10
 requests>=2.11.1
-SQLAlchemy>=1.1.0
+SQLAlchemy>=1.1.0,<1.3.0
 tornado>=4.1
 Wand>=0.4.4
 unidecode>=0.04.19