diff --git a/pkgs/development/python-modules/graphtage/default.nix b/pkgs/development/python-modules/graphtage/default.nix
index eb33bd48ece9..063cece8a386 100644
--- a/pkgs/development/python-modules/graphtage/default.nix
+++ b/pkgs/development/python-modules/graphtage/default.nix
@@ -1,9 +1,8 @@
-{ buildPythonPackage
+{ lib
+, buildPythonPackage
 , fetchFromGitHub
-, lib
 , pytestCheckHook
 , pythonOlder
-  # Python dependencies
 , colorama
 , intervaltree
 , json5
@@ -16,15 +15,21 @@
 buildPythonPackage rec {
   pname = "graphtage";
   version = "0.2.7";
+
   disabled = pythonOlder "3.6";
 
   src = fetchFromGitHub {
     owner = "trailofbits";
     repo = pname;
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-3PJSjK8citdsfTyTLtDOlLeXWhkOW/4ajLC+j8F0BZw=";
+    hash = "sha256-3PJSjK8citdsfTyTLtDOlLeXWhkOW/4ajLC+j8F0BZw=";
   };
 
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "json5==0.9.5" "json5>=0.9.5"
+  '';
+
   propagatedBuildInputs = [
     colorama
     intervaltree
@@ -35,18 +40,18 @@ buildPythonPackage rec {
     typing-extensions
   ];
 
-  checkInputs = [ pytestCheckHook ];
+  checkInputs = [
+    pytestCheckHook
+  ];
 
-  postPatch = ''
-    substituteInPlace setup.py \
-      --replace "json5==0.9.5" "json5>=0.9.5"
-  '';
-
-  pythonImportsCheck = [ "graphtage" ];
+  pythonImportsCheck = [
+    "graphtage"
+  ];
 
   meta = with lib; {
-    homepage = "https://github.com/trailofbits/graphtage";
     description = "A utility to diff tree-like files such as JSON and XML";
+    homepage = "https://github.com/trailofbits/graphtage";
+    changelog = "https://github.com/trailofbits/graphtage/releases/tag/v${version}";
     license = licenses.lgpl3Plus;
     maintainers = with maintainers; [ veehaitch ];
   };