diff --git a/CI/setup_lcg.sh b/CI/setup_lcg.sh
index 73cd27988560dff0a7694bf33fc181a32814776b..653be00ef17ae4c17f6d03da043931e2980e2fa1 100644
--- a/CI/setup_lcg.sh
+++ b/CI/setup_lcg.sh
@@ -5,10 +5,10 @@
 # determine os release
 if [ "$(cat /etc/redhat-release | grep 'Scientific Linux CERN SLC release 6')" ]; then
   os=slc6
-  compiler=gcc92-opt
+  compiler=gcc8-opt
 elif [ "$(cat /etc/centos-release | grep 'CentOS Linux release 7')" ]; then
   os=centos7
-  compiler=gcc92-opt
+  compiler=gcc8-opt
 else
   echo "Unknown OS" 1>&2
   exit 1