1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/libraries/physics/geant4/datasets.nix b/pkgs/development/libraries/physics/geant4/datasets.nix
index 5646f4e02ba..4c6906c9c2e 100644
--- a/pkgs/development/libraries/physics/geant4/datasets.nix
+++ b/pkgs/development/libraries/physics/geant4/datasets.nix
@@ -70,8 +70,8 @@ in
 
     {
       name = "G4PARTICLEXS";
-      version = "3.1";
-      sha256 = "1kg9y0kqn4lma7b0yjpgj7s9n317yqi54ydvq365qphnmm7ahka0";
+      version = "3.1.1";
+      sha256 = "1nmgy8w1s196php7inrkbsi0f690qa2dsyj9s1sp75mndkfpxhb6";
       envvar = "PARTICLEXS";
     }