diff --git a/crab-build.file b/crab-build.file
index 0fedc5b4cf1..a74c035e87e 100644
--- a/crab-build.file
+++ b/crab-build.file
@@ -50,7 +50,7 @@ if [ "%{crab_type}" != "dev" ] ; then
   done
 else
   mkdir %{i}/lib/WMCore
-  cp %{_builddir}/CRABClient/src/python/CRABClient/Configuration.py %{i}/lib/WMCore/Configuration.py 
+  cp %{_builddir}/CRABClient/src/python/CRABClient/WMCoreConfigWrapper.py %{i}/lib/WMCore/Configuration.py 
   touch %{i}/lib/WMCore/__init__.py
 fi
 
diff --git a/crab-dev.spec b/crab-dev.spec
index 40cde82ca57..9f81163ff3b 100644
--- a/crab-dev.spec
+++ b/crab-dev.spec
@@ -2,7 +2,7 @@
 #For new crabclient_version, set the version_suffix to 00
 #For any other change, increment version_suffix
 ##########################################
-%define version_suffix 01
+%define version_suffix 02
 %define crabclient_version v3.211122
 ### RPM cms crab-dev %{crabclient_version}.%{version_suffix}
 %define wmcore_version     1.5.3
diff --git a/crab-pre.spec b/crab-pre.spec
index e465ebdc808..c157f4921f4 100644
--- a/crab-pre.spec
+++ b/crab-pre.spec
@@ -2,7 +2,7 @@
 #For new crabclient_version, set the version_suffix to 00
 #For any other change, increment version_suffix
 ##########################################
-%define version_suffix 01
+%define version_suffix 02
 %define crabclient_version v3.210825
 ### RPM cms crab-pre %{crabclient_version}.%{version_suffix}
 %define wmcore_version     1.3.6.crab6
diff --git a/crab-prod.spec b/crab-prod.spec
index dcc9737fc2a..61a945d75a7 100644
--- a/crab-prod.spec
+++ b/crab-prod.spec
@@ -2,7 +2,7 @@
 #For new crabclient_version, set the version_suffix to 00
 #For any other change, increment version_suffix
 ##########################################
-%define version_suffix 03
+%define version_suffix 04
 %define crabclient_version v3.210825
 ### RPM cms crab-prod %{crabclient_version}.%{version_suffix}
 %define wmcore_version     1.3.6.crab6