diff --git a/pkgs/development/python-modules/ihm/default.nix b/pkgs/development/python-modules/ihm/default.nix
index 1d07533f536a..29cb68253625 100644
--- a/pkgs/development/python-modules/ihm/default.nix
+++ b/pkgs/development/python-modules/ihm/default.nix
@@ -4,30 +4,27 @@
   fetchFromGitHub,
   setuptools,
   swig,
-  wheel,
   msgpack,
   pytestCheckHook,
 }:
 
 buildPythonPackage rec {
   pname = "ihm";
-  version = "1.7";
+  version = "1.8";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "ihmwg";
     repo = "python-ihm";
     rev = "refs/tags/${version}";
-    hash = "sha256-jQm8Xl2yyR+y1Leyz8naT1rFJpgK5XdUd7YgnhDuBWo=";
+    hash = "sha256-Uz/4Egd7swY4kDl6FR564eiaYEdY9IUoz2Lv5pJ1C30=";
   };
 
-  nativeBuildInputs = [
-    setuptools
-    swig
-    wheel
-  ];
+  nativeBuildInputs = [ swig ];
 
-  propagatedBuildInputs = [ msgpack ];
+  build-system = [ setuptools ];
+
+  dependencies = [ msgpack ];
 
   nativeCheckInputs = [ pytestCheckHook ];