diff --git a/Dockerfile b/Dockerfile
index 34a426459d09bfc42fe78bb959a13842d07e862f..d7ffb2a36a11cd70b4745d1fe58e762fa85f1e1b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,14 +6,15 @@ LABEL maintainer="Drupal Admins <drupal-admins@cern.ch>"
 # TODO: Download the binary for restic install, instead of using copart/restic repo
 ARG restic_version=0.12.1
 
-RUN yum install epel-release -y && \
+RUN yum update -y && \
+    yum install epel-release -y && \
     # install restic
     yum install yum-plugin-copr -y && \
     yum copr enable copart/restic -y && \
     yum install restic-${restic_version} -y && \
     # we need this to interact with manila OpenStack to get CephFS information
-    yum install centos-release-openstack-train -y && \
-    yum install -y /usr/bin/openstack --disableplugin=protectbase && \
+    yum install centos-release-openstack-xena -y && \
+    yum install -y /usr/bin/openstack python3-requests-kerberos && \
     yum clean all
 
 COPY ./tekton-task-templates /tekton-task-templates
diff --git a/chart/drupal-operations/templates/drupalsite-backup.yaml b/chart/drupal-operations/templates/drupalsite-backup.yaml
index 964d32a393cc3b6f4534201e493123bbb2a00842..855da4a660e8a4a8f8dabcfd1d500784392f2a03 100644
--- a/chart/drupal-operations/templates/drupalsite-backup.yaml
+++ b/chart/drupal-operations/templates/drupalsite-backup.yaml
@@ -38,6 +38,6 @@ spec:
         export PROJECT_HASH=$(printf '%s' "$NAMESPACE" | md5sum | awk '{print $1}')
         export VELERO_NAMESPACE={{ .Values.veleroNamespace }}
         envsubst < /tekton-task-templates/backup_resource.yaml | oc create -f -
-        timeout 120s sh -c -- 'while [ $(oc get backup/$RESOURCE_NAME -n $VELERO_NAMESPACE -o jsonpath='{.status.phase}') != "Completed" ]; do printf "Backup in progress\n"; sleep 2s; done'
+        timeout 120s sh -c -- 'while [[ $(oc get "backup/$RESOURCE_NAME" -n "$VELERO_NAMESPACE" -o jsonpath='{.status.phase}') != "Completed" ]]; do printf "Backup in progress\n"; sleep 2s; done'
         backupStatus=$(oc get backup/$RESOURCE_NAME -n $VELERO_NAMESPACE -o=jsonpath='{.status.phase}' | grep -i -E 'failed|completed|partiallyfailed' || echo "Failed")
         echo "DrupalSite backup status: $backupStatus"