diff --git a/Jenkinsfile b/Jenkinsfile
index 843007c..67dbbdf 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -17,7 +17,7 @@ timestamps {
                     // Change to corresponding CORE_BRANCH as required
                     // e.g. FOGL-xxxx, main etc.
                     sh '''
-                        CORE_BRANCH='develop'
+                        CORE_BRANCH='2.2.0RC'
                         ${HOME}/buildFledge ${CORE_BRANCH} ${WORKSPACE}
                     '''
                 }
diff --git a/VERSION b/VERSION
index 7ec1d6d..ccbccc3 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.0
+2.2.0
diff --git a/build.sh b/build.sh
index f586d6d..97f5eee 100755
--- a/build.sh
+++ b/build.sh
@@ -5,10 +5,10 @@
 # ./build.sh -DFLEDGE_INSTALL=/some_path/Fledge
 #
 
-os_name=`(grep -o '^NAME=.*' /etc/os-release | cut -f2 -d\" | sed 's/"//g')`
-os_version=`(grep -o '^VERSION_ID=.*' /etc/os-release | cut -f2 -d\" | sed 's/"//g')`
+os_name=$(grep -o '^NAME=.*' /etc/os-release | cut -f2 -d\" | sed 's/"//g')
+os_version=$(grep -o '^VERSION_ID=.*' /etc/os-release | cut -f2 -d\" | sed 's/"//g')
 
-if [[ ( $os_name == *"Red Hat"* || $os_name == *"CentOS"* ) &&  $os_version == *"7"* ]]; then
+if [[ ( $os_name == *"Red Hat"* || $os_name == *"CentOS"* ) ]]; then
 	if [ -f build_rhel.sh ]; then
 		echo "Custom build for platform is ${os_name}, Version: ${os_version}"
 		./build_rhel.sh $@
diff --git a/build_rhel.sh b/build_rhel.sh
index f5532b9..564f66c 100755
--- a/build_rhel.sh
+++ b/build_rhel.sh
@@ -4,11 +4,16 @@
 
 # ./build_rhel.sh -DFLEDGE_INSTALL=/some_path/Fledge
 
-source scl_source enable devtoolset-7
-export CC=$(scl enable devtoolset-7 "command -v gcc")
-export CXX=$(scl enable devtoolset-7 "command -v g++")
+os_version=$(grep -o '^VERSION_ID=.*' /etc/os-release | cut -f2 -d\" | sed 's/"//g')
+# Use scl_source & devtoolset only if OS is RedHat/CentOS 7
+if [[ ${os_version} == *"7"* ]]
+then
+    source scl_source enable devtoolset-7
+    export CC=$(scl enable devtoolset-7 "command -v gcc")
+    export CXX=$(scl enable devtoolset-7 "command -v g++")
+fi
 
-mkdir build
+mkdir -p build
 cd build/
 cmake $@ ..
 make
diff --git a/fledge.version b/fledge.version
index 5c5c46f..78e4465 100644
--- a/fledge.version
+++ b/fledge.version
@@ -1 +1 @@
-fledge_version>=2.1
+fledge_version>=2.2
diff --git a/requirements.sh b/requirements.sh
index 3ef795c..6b0ec03 100755
--- a/requirements.sh
+++ b/requirements.sh
@@ -20,49 +20,49 @@
 ## Author: Mark Riddoch, Massimiliano Pinto
 ##
 
-fledge_location=`pwd`
-os_name=`(grep -o '^NAME=.*' /etc/os-release | cut -f2 -d\" | sed 's/"//g')`
-os_version=`(grep -o '^VERSION_ID=.*' /etc/os-release | cut -f2 -d\" | sed 's/"//g')`
+set -e
+
+fledge_location=$(pwd)
+os_name=$(grep -o '^NAME=.*' /etc/os-release | cut -f2 -d\" | sed 's/"//g')
+os_version=$(grep -o '^VERSION_ID=.*' /etc/os-release | cut -f2 -d\" | sed 's/"//g')
 echo "Platform is ${os_name}, Version: ${os_version}"
 
-if [[ ( $os_name == *"Red Hat"* || $os_name == *"CentOS"* ) &&  $os_version == *"7"* ]]; then
-	echo Installing development tools 7 components
-	sudo yum install -y yum-utils
-	sudo yum-config-manager --enable rhel-server-rhscl-7-rpms
-	sudo yum install -y devtoolset-7
-	echo Installing boost components
-	sudo yum install -y boost-filesystem
-	sudo yum install -y boost-program-options
-	source scl_source enable devtoolset-7
-	export CC=/opt/rh/devtoolset-7/root/usr/bin/gcc
-	export CXX=/opt/rh/devtoolset-7/root/usr/bin/g++
+if [[ ( ${os_name} == *"Red Hat"* || ${os_name} == *"CentOS"* ) ]]; then
+    echo "Installing boost components..."
+    sudo yum install -y boost-filesystem boost-program-options
+
+    if [[ ${os_version} == *"7"* ]]; then
+        echo "Installing development tools 7 components..."
+        sudo yum install -y yum-utils
+        sudo yum-config-manager --enable rhel-server-rhscl-7-rpms
+        sudo yum install -y devtoolset-7
+        source scl_source enable devtoolset-7
+        export CC=/opt/rh/devtoolset-7/root/usr/bin/gcc
+        export CXX=/opt/rh/devtoolset-7/root/usr/bin/g++
+    fi
 elif apt --version 2>/dev/null; then
-	echo Installing boost components
-	sudo apt install -y libboost-filesystem-dev
-	sudo apt install -y libboost-program-options-dev
-	sudo apt install -y libmbedtls-dev
+    echo Installing boost components
+    sudo apt install -y libboost-filesystem-dev
+    sudo apt install -y libboost-program-options-dev
+    sudo apt install -y libmbedtls-dev
 else
-	echo "Requirements cannot be automatically installed, please refer README.rst to install requirements manually"
+    echo "Requirements cannot be automatically installed, please refer README.rst to install requirements manually"
 fi
 
-if [ $# -eq 1 ]; then
+if [[ $# -eq 1 ]]; then
 	directory=$1
-	if [ ! -d $directory ]; then
-		mkdir -p $directory
-	fi
+	if [[ ! -d $directory ]]; then mkdir -p $directory; fi
 else
 	directory=~
 fi
 
 cd $directory
-if [ -d freeopcua ]; then
-	rm -rf freeopcua
-fi
+if [[ -d freeopcua ]]; then rm -rf freeopcua; fi
 
 echo Fetching Free OPCUA library
 git clone https://github.com/dianomic/freeopcua.git
-git checkout Kapsch
 cd freeopcua
+git checkout Kapsch
 mkdir build
 sed \
 	-e 's/add_library(opcuaclient/add_library(opcuaclient STATIC/' \
@@ -76,5 +76,5 @@ cd build
 cmake ..
 make
 cd ..
-echo Set the environment variable FREEOPCUA to `pwd`
-echo export FREEOPCUA=`pwd`
+echo Set the environment variable FREEOPCUA to $(pwd)
+echo export FREEOPCUA=$(pwd)