diff --git a/pkgs/development/libraries/physics/herwig/default.nix b/pkgs/development/libraries/physics/herwig/default.nix
index d3f6bcb7474..69a8c781d5b 100644
--- a/pkgs/development/libraries/physics/herwig/default.nix
+++ b/pkgs/development/libraries/physics/herwig/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "herwig";
-  version = "7.2.1";
+  version = "7.2.2";
 
   src = fetchurl {
     url = "https://www.hepforge.org/archive/herwig/Herwig-${version}.tar.bz2";
-    sha256 = "11m6xvardnk0i8x8b3dpwg4c4ncq0xmlfg2n5r5qmh6544pz7zyl";
+    sha256 = "10y3fb33zsinr0z3hzap9rsbcqhy1yjqnv4b4vz21g7mdlw6pq2k";
   };
 
   nativeBuildInputs = [ autoconf automake libtool ];
diff --git a/pkgs/development/libraries/physics/thepeg/default.nix b/pkgs/development/libraries/physics/thepeg/default.nix
index d5a272955f4..031277f8e0c 100644
--- a/pkgs/development/libraries/physics/thepeg/default.nix
+++ b/pkgs/development/libraries/physics/thepeg/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "thepeg";
-  version = "2.2.1";
+  version = "2.2.2";
 
   src = fetchurl {
     url = "https://www.hepforge.org/archive/thepeg/ThePEG-${version}.tar.bz2";
-    sha256 = "13x5gssv22mpa2w6i0vaalwcr57170vh3b4xrw8mrm3abqhwgav3";
+    sha256 = "0gif4vb9lw2px2qdywqm7x0frbv0h5gq9lq36c50f2hv77a5bgwp";
   };
 
   buildInputs = [ boost fastjet gsl hepmc2 lhapdf rivet zlib ];