diff --git a/run_tests.sh b/run_tests.sh
index ef69d5792..0cfb5abfa 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -19,7 +19,7 @@ source ${SCRIPT_DIR}/functions
 export WORKSPACE=${WORKSPACE:-/tmp}
 export PUPPET_URL_SUFFIX=
 export CEPH_VERSION=${CEPH_VERSION:-mimic}
-export PUPPET_MAJ_VERSION=${PUPPET_MAJ_VERSION:-4}
+export PUPPET_MAJ_VERSION=${PUPPET_MAJ_VERSION:-5}
 export SCENARIO=${SCENARIO:-scenario001}
 export MANAGE_PUPPET_MODULES=${MANAGE_PUPPET_MODULES:-true}
 export MANAGE_REPOS=${MANAGE_REPOS:-true}