diff --git a/pkgs/development/python-modules/hexbytes/default.nix b/pkgs/development/python-modules/hexbytes/default.nix
index 9bfb9918bf32..654471ca0f29 100644
--- a/pkgs/development/python-modules/hexbytes/default.nix
+++ b/pkgs/development/python-modules/hexbytes/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
+, setuptools
 , eth-utils
 , hypothesis
 , pytestCheckHook
@@ -9,18 +10,19 @@
 
 buildPythonPackage rec {
   pname = "hexbytes";
-  version = "0.3.1";
-  format = "setuptools";
-
-  disabled = pythonOlder "3.7";
+  version = "1.2.0";
+  pyproject = true;
+  disabled = pythonOlder "3.8";
 
   src = fetchFromGitHub {
     owner = "ethereum";
     repo = "hexbytes";
     rev = "refs/tags/v${version}";
-    hash = "sha256-19oY/VPP6qkxHCkIgpC28fOOYKEYcNbVVGoHJmMmOl8=";
+    hash = "sha256-8st1nQiGApt+aNl8/cftYk0ZzA+MxbLyGi53UWUlAjM=";
   };
 
+  build-system = [ setuptools];
+
   nativeCheckInputs = [
     eth-utils
     hypothesis