diff --git a/etc/ProdOfflineConfiguration.py b/etc/ProdOfflineConfiguration.py
index ea3944ec6..3a4007719 100644
--- a/etc/ProdOfflineConfiguration.py
+++ b/etc/ProdOfflineConfiguration.py
@@ -94,7 +94,7 @@
 
 # Defaults for CMSSW version
 defaultCMSSWVersion = {
-    'default': "CMSSW_12_0_3"
+    'default': "CMSSW_12_0_3_patch1"
 }
 
 # Configure ScramArch
@@ -165,7 +165,8 @@
     "CMSSW_12_0_1" : defaultCMSSWVersion['default'],
     "CMSSW_12_0_2" : defaultCMSSWVersion['default'],
     "CMSSW_12_0_2_patch1" : defaultCMSSWVersion['default'],
-    "CMSSW_12_0_2_patch2" : defaultCMSSWVersion['default']
+    "CMSSW_12_0_2_patch2" : defaultCMSSWVersion['default'],
+    "CMSSW_12_0_3" : defaultCMSSWVersion['default']
     }
 
 expressVersionOverride = {
@@ -188,7 +189,8 @@
     "CMSSW_12_0_1" : defaultCMSSWVersion['default'],
     "CMSSW_12_0_2" : defaultCMSSWVersion['default'],
     "CMSSW_12_0_2_patch1" : defaultCMSSWVersion['default'],
-    "CMSSW_12_0_2_patch2" : defaultCMSSWVersion['default']
+    "CMSSW_12_0_2_patch2" : defaultCMSSWVersion['default'],
+    "CMSSW_12_0_3" : defaultCMSSWVersion['default']
     }
 
 #set default repack settings for bulk streams