diff --git a/pkgs/development/python-modules/essent-dynamic-pricing/default.nix b/pkgs/development/python-modules/essent-dynamic-pricing/default.nix
index 73e8eb909fbf..b30e6a2dccce 100644
--- a/pkgs/development/python-modules/essent-dynamic-pricing/default.nix
+++ b/pkgs/development/python-modules/essent-dynamic-pricing/default.nix
@@ -11,14 +11,14 @@
 
 buildPythonPackage rec {
   pname = "essent-dynamic-pricing";
-  version = "0.2.7";
+  version = "0.3.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "jaapp";
     repo = "py-essent-dynamic-pricing";
-    tag = version;
-    hash = "sha256-jYSyFZ4b6zyfIvT9KkvffH2CteHgy844O76UjUcaTq0=";
+    tag = "v${version}";
+    hash = "sha256-98dh9XNXIVDI0w0/RqEGnDbDpQQoaZz/TvMIl6t3c3o=";
   };
 
   build-system = [ hatchling ];
@@ -36,6 +36,7 @@ buildPythonPackage rec {
   ];
 
   meta = {
+    changelog = "https://github.com/jaapp/py-essent-dynamic-pricing/releases/tag/${src.tag}";
     description = "Async client for Essent dynamic energy prices";
     homepage = "https://github.com/jaapp/py-essent-dynamic-pricing";
     license = lib.licenses.mit;