diff --git a/pkgs/development/python-modules/mkdocstrings/default.nix b/pkgs/development/python-modules/mkdocstrings/default.nix
index 721c0358fbc9..2cc0277d6cc6 100644
--- a/pkgs/development/python-modules/mkdocstrings/default.nix
+++ b/pkgs/development/python-modules/mkdocstrings/default.nix
@@ -20,7 +20,7 @@ buildPythonPackage rec {
   version = "0.26.2";
   pyproject = true;
 
-  disabled = pythonOlder "3.8";
+  disabled = pythonOlder "3.9";
 
   src = fetchFromGitHub {
     owner = "mkdocstrings";