diff --git a/CMSSW.release b/CMSSW.release
index df23993..b09e947 100644
--- a/CMSSW.release
+++ b/CMSSW.release
@@ -1 +1 @@
-CMSSW_7_4_13
+CMSSW_7_4_15
diff --git a/README.md b/README.md
index 798edfb..bacd84c 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Common framework for all cp3-llbb analyses
 
 ## CMSSW release
 
-**CMSSW 7.4.13**
+**CMSSW 7.4.15**
 
 ## First time setup instructions
 
@@ -17,8 +17,8 @@ Common framework for all cp3-llbb analyses
 source /nfs/soft/grid/ui_sl6/setup/grid-env.sh
 source /cvmfs/cms.cern.ch/cmsset_default.sh
 export SCRAM_ARCH=slc6_amd64_gcc491
-cmsrel CMSSW_7_4_13
-cd CMSSW_7_4_13/src
+cmsrel CMSSW_7_4_15
+cd CMSSW_7_4_15/src
 cmsenv
 
 git cms-init
@@ -37,7 +37,7 @@ git clone https://github.com/cms-jet/JetToolbox JMEAnalysis/JetToolbox
 
 # CP3-llbb framework itself
 git clone -o upstream git@github.com:blinkseb/TreeWrapper.git cp3_llbb/TreeWrapper
-git clone -o upstream git@github.com:cp3-llbb/Framework.git cp3_llbb/Framework
+git clone -b CMSSW_7_4_12p -o upstream git@github.com:cp3-llbb/Framework.git cp3_llbb/Framework
 
 cd ${CMSSW_BASE}/src
 scram b -j 4