diff --git a/pkgs/development/python-modules/pymdown-extensions/default.nix b/pkgs/development/python-modules/pymdown-extensions/default.nix
index 08749312580c..a360517eb128 100644
--- a/pkgs/development/python-modules/pymdown-extensions/default.nix
+++ b/pkgs/development/python-modules/pymdown-extensions/default.nix
@@ -38,14 +38,14 @@ let
 in
 buildPythonPackage rec {
   pname = "pymdown-extensions";
-  version = "9.5";
+  version = "9.9";
   format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "facelessuser";
     repo = "pymdown-extensions";
     rev = "refs/tags/${version}";
-    sha256 = "sha256-bgvoY+8bbGoG1A93A+Uan1UDpQmEUu/TJu3FOkXechQ=";
+    sha256 = "sha256-JZtze6KjiBJGEQzA8lsTShhZu96wxAr4KeKzCe0A18Q=";
   };
 
   nativeBuildInputs = [ hatchling ];