diff --git a/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/003-install-devtoolset6.sh b/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/003-install-devtoolset.sh
similarity index 94%
rename from coin/provisioning/qtci-linux-RHEL-7.4-x86_64/003-install-devtoolset6.sh
rename to coin/provisioning/qtci-linux-RHEL-7.4-x86_64/003-install-devtoolset.sh
index ef65b881..439e2db5 100755
--- a/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/003-install-devtoolset6.sh
+++ b/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/003-install-devtoolset.sh
@@ -34,7 +34,7 @@
 #############################################################################
 
 sudo yum-config-manager --enable rhel-server-rhscl7-rpms
-sudo yum -y install devtoolset-6
+sudo yum -y install devtoolset-4
 
-echo "source /opt/rh/devtoolset-6/enable" >> ~/.bashrc
+echo "source /opt/rh/devtoolset-4/enable" >> ~/.bashrc
 
diff --git a/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/010-openssl_for_android_linux.sh b/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/010-openssl_for_android_linux.sh
index 05b73729..b69295fc 100755
--- a/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/010-openssl_for_android_linux.sh
+++ b/coin/provisioning/qtci-linux-RHEL-7.4-x86_64/010-openssl_for_android_linux.sh
@@ -33,5 +33,5 @@
 ##
 #############################################################################
 
-source /opt/rh/devtoolset-6/enable
+source /opt/rh/devtoolset-4/enable
 source "${BASH_SOURCE%/*}/../common/openssl_for_android_linux.sh"