diff --git a/pkgs/development/python-modules/elmax-api/default.nix b/pkgs/development/python-modules/elmax-api/default.nix
index 34d848d9a195..efb734d111c4 100644
--- a/pkgs/development/python-modules/elmax-api/default.nix
+++ b/pkgs/development/python-modules/elmax-api/default.nix
@@ -17,8 +17,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "albertogeniola";
     repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-YUnLi8+ibUgWoMFMgZPSPbpr286bnWBefxjOV7JfCuY=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-YUnLi8+ibUgWoMFMgZPSPbpr286bnWBefxjOV7JfCuY=";
   };
 
   propagatedBuildInputs = [
@@ -37,6 +37,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Python library for interacting with the Elmax cloud";
     homepage = "https://github.com/albertogeniola/elmax-api";
+    changelog = "https://github.com/albertogeniola/elmax-api/releases/tag/v${version}";
     license = with licenses; [ asl20 ];
     maintainers = with maintainers; [ fab ];
   };