diff --git a/Configuration/PyReleaseValidation/python/relval_steps.py b/Configuration/PyReleaseValidation/python/relval_steps.py
index a483a514a7f42..59600f3491d6e 100644
--- a/Configuration/PyReleaseValidation/python/relval_steps.py
+++ b/Configuration/PyReleaseValidation/python/relval_steps.py
@@ -1174,7 +1174,7 @@ def genvalid(fragment,d,suffix='all',fi=''):
 # step6 is fastsim
 # step7 is fastsim harvesting
 
-upgradeSteps=['GenSimFull','DigiFull','RecoFull','HARVESTFull','DigiTrkTrigFull','FastSim','HARVESTFast']
+upgradeSteps=['GenSimFull','GenSimHLBeamSpotFull','DigiFull','RecoFull','HARVESTFull','DigiTrkTrigFull','FastSim','HARVESTFast']
 
 upgradeScenToRun={ '2017':['GenSimFull','DigiFull','RecoFull','HARVESTFull'],
                    '2019':['GenSimFull','DigiFull','RecoFull','HARVESTFull'],
@@ -1190,7 +1190,7 @@ def genvalid(fragment,d,suffix='all',fi=''):
                    'Extended2023HGCalMuon':['GenSimFull','DigiFull','RecoFull','HARVESTFull'],
                    'Extended2023SHCal':['GenSimFull','DigiFull','RecoFull','HARVESTFull'],
                    'Extended2023SHCal4Eta':['GenSimFull','DigiFull','RecoFull','HARVESTFull'],
-                   'Extended2023TTI':['GenSimFull','DigiTrkTrigFull'], ##no need to go beyond local reco
+                   'Extended2023TTI':['GenSimHLBeamSpotFull','DigiTrkTrigFull'], ##no need to go beyond local reco
                    'Extended2023Muon':['GenSimFull','DigiFull','RecoFull','HARVESTFull'],
                    'Extended2023CFCal':['GenSimFull','DigiFull','RecoFull','HARVESTFull'],
                    'Extended2023CFCal4Eta':['GenSimFull','DigiFull','RecoFull','HARVESTFull']
@@ -1213,6 +1213,17 @@ def genvalid(fragment,d,suffix='all',fi=''):
                                        '--geometry' : upgradeGeoms[k]
                                        }
     if upgradeCustoms[k]!=None : upgradeStepDict['GenSimFull'][k]['--customise']=upgradeCustoms[k]
+    
+    upgradeStepDict['GenSimHLBeamSpotFull'][k]= {'-s' : 'GEN,SIM',
+                                       '-n' : 10,
+                                       '--conditions' : upgradeGTs[k],
+                                       '--beamspot' : 'HLLHC',
+                                       '--magField' : '38T_PostLS1',
+                                       '--datatier' : 'GEN-SIM',
+                                       '--eventcontent': 'FEVTDEBUG',
+                                       '--geometry' : upgradeGeoms[k]
+                                       }
+    if upgradeCustoms[k]!=None : upgradeStepDict['GenSimHLBeamSpotFull'][k]['--customise']=upgradeCustoms[k]
 
     upgradeStepDict['DigiFull'][k] = {'-s':'DIGI:pdigi_valid,L1,DIGI2RAW',
                                       '--conditions':upgradeGTs[k],