diff --git a/pkgs/development/python-modules/pvo/default.nix b/pkgs/development/python-modules/pvo/default.nix
index 073d591c4e48..f75d81ed45f0 100644
--- a/pkgs/development/python-modules/pvo/default.nix
+++ b/pkgs/development/python-modules/pvo/default.nix
@@ -15,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "pvo";
-  version = "2.2.0";
+  version = "2.2.1";
   pyproject = true;
 
   disabled = pythonOlder "3.11";
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     owner = "frenck";
     repo = "python-pvoutput";
     tag = "v${version}";
-    hash = "sha256-EQdOPAYh7D9jHtuOuDtokxXnFKKtC0HybSwX77jj6+c=";
+    hash = "sha256-UdMcY7Va8LAW3x4CR6hIrIdwrXiHh1Hs3tK+SWBrJFE=";
   };
 
   postPatch = ''
@@ -54,7 +54,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Python module to interact with the PVOutput API";
     homepage = "https://github.com/frenck/python-pvoutput";
-    changelog = "https://github.com/frenck/python-pvoutput/releases/tag/v${version}";
+    changelog = "https://github.com/frenck/python-pvoutput/releases/tag/${src.tag}";
     license = licenses.mit;
     maintainers = with maintainers; [ fab ];
   };