diff --git a/pkgs/development/python-modules/mplhep/default.nix b/pkgs/development/python-modules/mplhep/default.nix
index 63a81c47e303..c39b24a17f31 100644
--- a/pkgs/development/python-modules/mplhep/default.nix
+++ b/pkgs/development/python-modules/mplhep/default.nix
@@ -16,12 +16,12 @@
 
 buildPythonPackage rec {
   pname = "mplhep";
-  version = "0.3.28";
+  version = "0.3.31";
   format = "pyproject";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-/7nfjIdlYoouDOI1vXdr9BSml5gpE0gad7ONAUmOCiE=";
+    hash = "sha256-aZwazbDljRncB2p7qD95Cms0uQBU8tciUrXcKpsyVTM=";
   };
 
   nativeBuildInputs = [