diff --git a/pkgs/development/python-modules/pylitterbot/default.nix b/pkgs/development/python-modules/pylitterbot/default.nix
index fbf32ecb3d03..a31cc9615899 100644
--- a/pkgs/development/python-modules/pylitterbot/default.nix
+++ b/pkgs/development/python-modules/pylitterbot/default.nix
@@ -16,7 +16,7 @@
   uv-dynamic-versioning,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "pylitterbot";
   version = "2025.3.2";
   pyproject = true;
@@ -24,7 +24,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "natekspencer";
     repo = "pylitterbot";
-    tag = version;
+    tag = "v${finalAttrs.version}";
     hash = "sha256-bFJ6v27yfzMPqZijWCOlgdVS19IKIMqZcq2FjAyMnqo=";
   };
 
@@ -54,8 +54,8 @@ buildPythonPackage rec {
   meta = {
     description = "Modulefor controlling a Litter-Robot";
     homepage = "https://github.com/natekspencer/pylitterbot";
-    changelog = "https://github.com/natekspencer/pylitterbot/releases/tag/${src.tag}";
+    changelog = "https://github.com/natekspencer/pylitterbot/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})