diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 603daf6446a..2abcb7a0f7e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -875,7 +875,7 @@ in modules // {
 
     buildInputs = with self; [
       pytest
-      sqlalchemy9
+      sqlalchemy
       tornado
       twisted
       mock