diff --git a/pkgs/development/python-modules/potentials/default.nix b/pkgs/development/python-modules/potentials/default.nix
index df99f4caaa9d..7eb053c7bd36 100644
--- a/pkgs/development/python-modules/potentials/default.nix
+++ b/pkgs/development/python-modules/potentials/default.nix
@@ -26,14 +26,14 @@
 
 buildPythonPackage rec {
   pname = "potentials";
-  version = "0.4.0";
+  version = "0.4.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "usnistgov";
     repo = "potentials";
     tag = "v${version}";
-    hash = "sha256-VDA3dQ34kvrs3XMfC0j3T63KrXlmOa/hPvOni/UkgP4=";
+    hash = "sha256-R6LGRmi6xeNp81qylXBAVdL62/SN87TvuyRqueQD6DA=";
   };
 
   build-system = [ setuptools ];