diff --git a/geant4-G4PhotonEvaporation.spec b/geant4-G4PhotonEvaporation.spec
index cce7b701696..4876448c966 100644
--- a/geant4-G4PhotonEvaporation.spec
+++ b/geant4-G4PhotonEvaporation.spec
@@ -1,4 +1,4 @@
-### RPM external geant4-G4PhotonEvaporation 6.0
+### RPM external geant4-G4PhotonEvaporation 6.1
 %define G4RunTime G4LEVELGAMMADATA
 %define source0 https://geant4-data.web.cern.ch/datasets/G4PhotonEvaporation.%{realversion}.tar.gz
 
diff --git a/geant4-G4RadioactiveDecay.spec b/geant4-G4RadioactiveDecay.spec
index 3ed31b290f6..58bf273dd5b 100644
--- a/geant4-G4RadioactiveDecay.spec
+++ b/geant4-G4RadioactiveDecay.spec
@@ -1,4 +1,4 @@
-### RPM external geant4-G4RadioactiveDecay 6.0.1
+### RPM external geant4-G4RadioactiveDecay 6.1
 %define G4RunTime G4RADIOACTIVEDATA
 %define source0 https://geant4-data.web.cern.ch/datasets/G4RadioactiveDecay.%{realversion}.tar.gz
 
diff --git a/geant4.spec b/geant4.spec
index 3395431e622..5d9d7608261 100644
--- a/geant4.spec
+++ b/geant4.spec
@@ -1,5 +1,5 @@
-### RPM external geant4 11.2.ref08
-%define tag 20b19ef6672d83d96299fc657a12f50c3198a970
+### RPM external geant4 11.3.cand00
+%define tag b1665724ecbc6820bf07f8b9c4370bf32cfb9476
 %define branch cms/v%{realversion}
 %define github_user cms-externals
 Source: git+https://github.com/%github_user/%{n}.git?obj=%{branch}/%{tag}&export=%{n}.%{realversion}&output=/%{n}.%{realversion}-%{tag}.tgz