diff --git a/pkgs/development/libraries/physics/clhep/default.nix b/pkgs/development/libraries/physics/clhep/default.nix
index 6f648463c854..a3b85e36796e 100644
--- a/pkgs/development/libraries/physics/clhep/default.nix
+++ b/pkgs/development/libraries/physics/clhep/default.nix
@@ -6,11 +6,11 @@
 
 stdenv.mkDerivation rec {
   pname = "clhep";
-  version = "2.4.5.3";
+  version = "2.4.6.0";
 
   src = fetchurl {
     url = "https://proj-clhep.web.cern.ch/proj-clhep/dist1/clhep-${version}.tgz";
-    hash = "sha256-RfY+6wl/Av5nuGp9rb8Q1Am0AcKKGj4XLbNiUsMJfBM=";
+    hash = "sha256-6NFt67hM7SjkDproR4nPWgra1F+SE/usPOdYPgbKp7E=";
   };
 
   prePatch = ''