diff --git a/pkgs/development/python-modules/gprof2dot/default.nix b/pkgs/development/python-modules/gprof2dot/default.nix
index e489605388ef..fb351120845b 100644
--- a/pkgs/development/python-modules/gprof2dot/default.nix
+++ b/pkgs/development/python-modules/gprof2dot/default.nix
@@ -14,7 +14,7 @@ buildPythonPackage rec {
     owner = "jrfonseca";
     repo = "gprof2dot";
     rev = "refs/tags/${version}";
-    sha256 = "sha256-nIsBO6KTyG2VZZRXrkU/T/a9Ki1x6hda5Vv3rZv/mJM=";
+    hash = "sha256-nIsBO6KTyG2VZZRXrkU/T/a9Ki1x6hda5Vv3rZv/mJM=";
   };
 
   makeWrapperArgs = [
@@ -22,7 +22,9 @@ buildPythonPackage rec {
   ];
 
   # Needed so dot is on path of the test script
-  nativeCheckInputs = [ graphviz ];
+  nativeCheckInputs = [
+    graphviz
+  ];
 
   checkPhase = ''
     runHook preCheck
@@ -34,8 +36,9 @@ buildPythonPackage rec {
   '';
 
   meta = with lib; {
-    homepage = "https://github.com/jrfonseca/gprof2dot";
     description = "Python script to convert the output from many profilers into a dot graph";
+    homepage = "https://github.com/jrfonseca/gprof2dot";
+    changelog = "https://github.com/jrfonseca/gprof2dot/releases/tag/${version}";
     license = licenses.lgpl3Plus;
     maintainers = with maintainers; [ pmiddend ];
   };