diff --git a/pkgs/development/python-modules/aiowatttime/default.nix b/pkgs/development/python-modules/aiowatttime/default.nix
index 67d21b7ebfab..42ede58440e7 100644
--- a/pkgs/development/python-modules/aiowatttime/default.nix
+++ b/pkgs/development/python-modules/aiowatttime/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "aiowatttime";
-  version = "2021.10.0";
+  version = "2022.10.0";
   format = "pyproject";
 
   disabled = pythonOlder "3.8";
@@ -20,8 +20,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "bachya";
     repo = pname;
-    rev = version;
-    sha256 = "sha256-cWXhQMgRYBzOVgUQWONIwWFB5n/f0lqkSjUb9IoPwtI=";
+    rev = "refs/tags/${version}";
+    sha256 = "sha256-rqmsUvVwXC/XkR/v2d9d3t7u6Poms4ORiOci41ajXIo=";
   };
 
   nativeBuildInputs = [