diff --git a/pkgs/development/python-modules/sv-ttk/default.nix b/pkgs/development/python-modules/sv-ttk/default.nix
index a50af891487d..13a3162291ee 100644
--- a/pkgs/development/python-modules/sv-ttk/default.nix
+++ b/pkgs/development/python-modules/sv-ttk/default.nix
@@ -11,7 +11,7 @@ buildPythonPackage rec {
   version = "2.6.1";
   format = "setuptools";
 
-  disabled = pythonOlder "3.7";
+  disabled = pythonOlder "3.9";
 
   src = fetchPypi {
     inherit version;