diff --git a/pkgs/development/python-modules/cexprtk/default.nix b/pkgs/development/python-modules/cexprtk/default.nix
index 98c3b8416091..53c906c613ba 100644
--- a/pkgs/development/python-modules/cexprtk/default.nix
+++ b/pkgs/development/python-modules/cexprtk/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "cexprtk";
-  version = "0.4.0";
+  version = "0.4.1";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-c7QXB+oXzkRveiPpNrW/HY8pMtpZx/RtDpJMVE7fY/A=";
+    hash = "sha256-QhftIybufVPO/YbLFycR4qYEAtQMcRPP5jKS6o6dFZg=";
   };
 
   nativeCheckInputs = [ pytestCheckHook ];