diff --git a/Configuration/PyReleaseValidation/python/relval_standard.py b/Configuration/PyReleaseValidation/python/relval_standard.py
index ff7517c842de5..7e339233900b6 100644
--- a/Configuration/PyReleaseValidation/python/relval_standard.py
+++ b/Configuration/PyReleaseValidation/python/relval_standard.py
@@ -429,8 +429,8 @@
 workflows[137.8] = ['',['RunEGamma2018C','HLTDR2_2018','RECODR2_2018reHLT_skimEGamma_Offline_L1TEgDQM',
                         'RunEGamma2018D','HLTDR2_2018','RECODR2_2018reHLT_skimEGamma_Prompt_L1TEgDQM','HARVEST2018_L1TEgDQM_MULTIRUN']]
 ### LS2 - MWGR ###
-workflows[138.1] = ['',['RunCosmics2020','RECOCOSDPROMPTRUN3','ALCACOSDRUN3','HARVESTDCRUN3']]
-workflows[138.2] = ['',['RunCosmics2020','RECOCOSDEXPRUN3','ALCACOSDEXPRUN3','HARVESTDCEXPRUN3']]
+workflows[138.1] = ['',['RunCosmics2021','RECOCOSDPROMPTRUN3','ALCACOSDRUN3','HARVESTDCRUN3']]
+workflows[138.2] = ['',['RunCosmics2021','RECOCOSDEXPRUN3','ALCACOSDEXPRUN3','HARVESTDCEXPRUN3']]
 
 #### Test of lumi section boundary crossing with run2 2018D ####
 workflows[136.8861] = ['',['RunEGamma2018Dml1','HLTDR2_2018ml','RECODR2_2018reHLT_skimEGamma_Prompt_L1TEgDQM','HARVEST2018_L1TEgDQM_Prompt']]
diff --git a/Configuration/PyReleaseValidation/python/relval_steps.py b/Configuration/PyReleaseValidation/python/relval_steps.py
index 8783dc88aab5f..0161fe4dd8d8c 100644
--- a/Configuration/PyReleaseValidation/python/relval_steps.py
+++ b/Configuration/PyReleaseValidation/python/relval_steps.py
@@ -490,8 +490,9 @@
 steps['RunCosmics2015C']={'INPUT':InputInfo(dataSet='/Cosmics/Run2015C-v1/RAW',label='2015C',run=[256259],events=100000,location='STD')}
 steps['RunCosmics2016B']={'INPUT':InputInfo(dataSet='/Cosmics/Run2016B-v1/RAW',label='2016B',run=[272133],events=100000,location='STD')}
 
-### LS2 - MWGR#5 2020 - CSC, DAQ, DCS, DQM, DT, ECAL, GEM, HCAL, RPC, TCDS, TRACKER, TRG ###
-steps['RunCosmics2020']={'INPUT':InputInfo(dataSet='/ExpressCosmics/Commissioning2020-Express-v1/FEVT',label='2020GR5',ls={338714: [[1, 10000]]},events=100000,location='STD')}
+### LS2 - MWGR 2021 - CSC, DAQ, DCS, DQM, DT, ECAL, GEM, HCAL, L1SCOUT, PIXEL, RPC, TCDS, TRACKER, TRG ###
+steps['RunCosmics2021']={'INPUT':InputInfo(dataSet='/ExpressCosmics/Commissioning2021-Express-v1/FEVT',label='2021GR5',ls={343498: [[1, 10000]]},events=100000,location='STD')}
+
 
 #### Test of lumi section boundary crossing with run2 2018D ####
 Run2018Dml1={320822: [[1,1]] , 320823: [[1,1]]}