diff --git a/setup.cfg b/setup.cfg
index bb477a1e..b806175c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -45,7 +45,7 @@ install_requires =
     qrcode>=7.1,<8
     requests>=2.22,<3
     SQLAlchemy-Continuum>=1.3.12,<2
-    SQLAlchemy>=1.3.0,<1.5  # New 1.4 changes API, see #728
+    SQLAlchemy>=1.3.0,<2.1  # New 1.4 changes API, see #728
     python-dateutil
 
 [options.extras_require]