diff --git a/update.sh b/update.sh
index 3301794..43b7cba 100644
--- a/update.sh
+++ b/update.sh
@@ -109,7 +109,7 @@ elif [ "${OS}" == "CentOS" ]; then
         dnf install -y elrepo-release epel-release yum-utils
         
         # download the repo for PBIS-Open for SSO and Domain
-        dnf-config-manager --add-repo http://repo.pbis.beyondtrust.com/yum/pbiso.repo
+        yum-config-manager --add-repo http://repo.pbis.beyondtrust.com/yum/pbiso.repo
         
         # clean the yum cache
         dnf clean all