diff --git a/pkgs/development/python-modules/mandown/default.nix b/pkgs/development/python-modules/mandown/default.nix
index e5ba64712239..3f18f9a41923 100644
--- a/pkgs/development/python-modules/mandown/default.nix
+++ b/pkgs/development/python-modules/mandown/default.nix
@@ -19,14 +19,14 @@
 
 buildPythonPackage rec {
   pname = "mandown";
-  version = "1.12.1";
+  version = "1.12.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "potatoeggy";
     repo = "mandown";
     tag = "v${version}";
-    hash = "sha256-dx92a1YI1BW90E2u+v9fggWzrg0mqsV+INNq+2aLmFI=";
+    hash = "sha256-kbzh6qbex3PzdE53rx9Sxff1lhh1yYjehdEJ9Srq5gY=";
   };
 
   build-system = [