diff --git a/pkgs/development/libraries/physics/rivet/default.nix b/pkgs/development/libraries/physics/rivet/default.nix
index 01214878cd8..54bf1cc442b 100644
--- a/pkgs/development/libraries/physics/rivet/default.nix
+++ b/pkgs/development/libraries/physics/rivet/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "https://www.hepforge.org/archive/rivet/Rivet-${version}.tar.bz2";
-    sha256 = "12mlj2j1glidjhiaxlr25qz2vfb865wip1vwwg8vlyd3yzisf533";
+    sha256 = "1bxcb99a3l5d2gl93zgfzgw6v95kx1ss5045mkz3ciyw8w5nmb9l";
   };
 
   patches = [