diff --git a/Configuration/PyReleaseValidation/python/relval_steps.py b/Configuration/PyReleaseValidation/python/relval_steps.py
index c932e30d1f1ac..47b3ff5d03e75 100644
--- a/Configuration/PyReleaseValidation/python/relval_steps.py
+++ b/Configuration/PyReleaseValidation/python/relval_steps.py
@@ -953,8 +953,8 @@ def genvalid(fragment,d,suffix='all',fi='',dataSet=''):
 PU={'-n':10,'--pileup':'default','--pileup_input':'das:/RelValMinBias/%s/GEN-SIM'%(baseDataSetRelease[0],)}
 # pu2 can be removed
 PU2={'-n':10,'--pileup':'default','--pileup_input':'das:/RelValMinBias/%s/GEN-SIM'%(baseDataSetRelease[0],)}
-PU25={'-n':10,'--pileup':'AVE_10_BX_25ns_m8','--pileup_input':'das:/RelValMinBias_13/%s/GEN-SIM'%(baseDataSetRelease[4],)}
-PU50={'-n':10,'--pileup':'AVE_20_BX_50ns_m8','--pileup_input':'das:/RelValMinBias_13/%s/GEN-SIM'%(baseDataSetRelease[4],)}
+PU25={'-n':10,'--pileup':'AVE_35_BX_25ns','--pileup_input':'das:/RelValMinBias_13/%s/GEN-SIM'%(baseDataSetRelease[4],)}
+PU50={'-n':10,'--pileup':'AVE_35_BX_50ns','--pileup_input':'das:/RelValMinBias_13/%s/GEN-SIM'%(baseDataSetRelease[4],)}
 
 #PU for FastSim
 PUFS={'--pileup':'default'}