diff --git a/pkgs/development/python-modules/inequality/default.nix b/pkgs/development/python-modules/inequality/default.nix
index 810e9f7b824a..1c153b486dc3 100644
--- a/pkgs/development/python-modules/inequality/default.nix
+++ b/pkgs/development/python-modules/inequality/default.nix
@@ -6,14 +6,17 @@
   pythonOlder,
 
   libpysal,
+  mapclassify,
+  matplotlib,
   numpy,
   scipy,
+  seaborn,
   setuptools-scm,
 }:
 
 buildPythonPackage rec {
   pname = "inequality";
-  version = "1.1.0";
+  version = "1.1.1";
   pyproject = true;
   disabled = pythonOlder "3.10";
 
@@ -21,18 +24,23 @@ buildPythonPackage rec {
     owner = "pysal";
     repo = "inequality";
     tag = "v${version}";
-    hash = "sha256-tKMpmsP19K4dyBCj84FBoGkEvrmQuSi77sY3uQYvz5s=";
+    hash = "sha256-JVim2u+VF35dvD+y14WbA2+G4wktAGpin/GMe0uGhjc=";
   };
 
   build-system = [ setuptools-scm ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     libpysal
+    matplotlib
     numpy
     scipy
   ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
+  nativeCheckInputs = [
+    mapclassify
+    pytestCheckHook
+    seaborn
+  ];
 
   pythonImportsCheck = [ "inequality" ];