diff --git a/pkgs/development/python-modules/poetry-dynamic-versioning/default.nix b/pkgs/development/python-modules/poetry-dynamic-versioning/default.nix
index 7692ab2fceed..3ca66e9b9fb3 100644
--- a/pkgs/development/python-modules/poetry-dynamic-versioning/default.nix
+++ b/pkgs/development/python-modules/poetry-dynamic-versioning/default.nix
@@ -13,7 +13,7 @@
 
 buildPythonPackage rec {
   pname = "poetry-dynamic-versioning";
-  version = "0.21.3";
+  version = "0.21.4";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -22,7 +22,7 @@ buildPythonPackage rec {
     owner = "mtkennerly";
     repo = pname;
     rev = "refs/tags/v${version}";
-    hash = "sha256-LdcjzfOiKar0BCdU7W+N5adErdk/NOUf+FzeaMlfn3w=";
+    hash = "sha256-1RgxDXzijWr47mZeqfHfFnANdZKyY3QXCZoXijs5nTw=";
   };
 
   nativeBuildInputs = [