diff --git a/pkgs/development/python-modules/jaraco-functools/default.nix b/pkgs/development/python-modules/jaraco-functools/default.nix
index 20f50cb6a789..90b983a1c504 100644
--- a/pkgs/development/python-modules/jaraco-functools/default.nix
+++ b/pkgs/development/python-modules/jaraco-functools/default.nix
@@ -13,7 +13,7 @@
 
 buildPythonPackage rec {
   pname = "jaraco-functools";
-  version = "4.1.0";
+  version = "4.2.1";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -21,9 +21,13 @@ buildPythonPackage rec {
   src = fetchPypi {
     pname = "jaraco_functools";
     inherit version;
-    hash = "sha256-cPfg4q4HZJjiElYjJegFIE/Akte0wX4OhslZ4klwGp0=";
+    hash = "sha256-vmNKv8yrzlb6MFP4x+vje2gmg6Tud5NnDO0XurAIc1M=";
   };
 
+  postPatch = ''
+    sed -i "/coherent\.licensed/d" pyproject.toml
+  '';
+
   build-system = [
     setuptools
     setuptools-scm