diff --git a/pkgs/development/python-modules/pygls/default.nix b/pkgs/development/python-modules/pygls/default.nix
index ce69c36d7461..5f837330754a 100644
--- a/pkgs/development/python-modules/pygls/default.nix
+++ b/pkgs/development/python-modules/pygls/default.nix
@@ -13,7 +13,7 @@
 
 buildPythonPackage rec {
   pname = "pygls";
-  version = "0.12.3";
+  version = "0.13.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -21,16 +21,18 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "openlawlibrary";
     repo = "pygls";
-    rev = "refs/tags/v${version}";
-    sha256 = "sha256-RtoRIfPIbERQFx0GzQqsxnKAMsIK5Zbf2sNtHhC2fmo=";
+    rev = "v${version}";
+    hash = "sha256-guwOnB4EEUpucfprNLLr49Yn8EdOpRzzG+cT4NCn0rA=";
   };
 
   SETUPTOOLS_SCM_PRETEND_VERSION = version;
-  nativeBuildInputs = [ setuptools-scm ];
+  nativeBuildInputs = [
+    setuptools-scm
+    toml
+  ];
 
   propagatedBuildInputs = [
     pydantic
-    toml
     typeguard
   ];
 
@@ -46,6 +48,7 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "pygls" ];
 
   meta = with lib; {
+    changelog = "https://github.com/openlawlibrary/pygls/blob/${src.rev}/CHANGELOG.md";
     description = "Pythonic generic implementation of the Language Server Protocol";
     homepage = "https://github.com/openlawlibrary/pygls";
     license = licenses.asl20;