diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index e60fae44b73..c787de88cbe 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -12834,7 +12834,7 @@ in modules // {
       pytz
       xlrd
       bottleneck
-      sqlalchemy9
+      sqlalchemy_1_0
       lxml
       # Disabling this because an upstream dependency, pep8, is broken on v3.5.
       (if isPy35 then null else html5lib)