diff --git a/pkgs/development/libraries/physics/hepmc3/default.nix b/pkgs/development/libraries/physics/hepmc3/default.nix
index 6598cd520b9a..2e770ce59fd8 100644
--- a/pkgs/development/libraries/physics/hepmc3/default.nix
+++ b/pkgs/development/libraries/physics/hepmc3/default.nix
@@ -17,11 +17,11 @@ in
 
 stdenv.mkDerivation rec {
   pname = "hepmc3";
-  version = "3.3.0";
+  version = "3.3.1";
 
   src = fetchurl {
     url = "http://hepmc.web.cern.ch/hepmc/releases/HepMC3-${version}.tar.gz";
-    sha256 = "sha256-b4dgke3PfubQwNsE4IAFbonvwaYavmI1XZfOjnNXadY=";
+    sha256 = "sha256-CCQBYLDyjcMpOqTWHOZeLWfNWXrPb6ykOfLkZiX355M=";
   };
 
   nativeBuildInputs = [