diff --git a/backup/pvc/VERSION.txt b/backup/pvc/VERSION.txt
index b88fb90fb..400feeb94 100644
--- a/backup/pvc/VERSION.txt
+++ b/backup/pvc/VERSION.txt
@@ -1 +1 @@
-v0.2.5
+v0.2.6
diff --git a/backup/pvc/bin/get-latest.sh b/backup/pvc/bin/get-latest.sh
index 09a804dc6..da8055f4e 100644
--- a/backup/pvc/bin/get-latest.sh
+++ b/backup/pvc/bin/get-latest.sh
@@ -5,7 +5,8 @@ set -eo pipefail
 is_backup_not_exist() {
     local backup_dir="$1"
     # Save the current value of 'set -e'
-    local previous_e=$(set +e; :; echo $?)
+    local previous_e
+    previous_e=$(set +e; :; echo $?)
 
     # Temporarily turn off 'set -e'
     set +e
@@ -23,7 +24,7 @@ is_backup_not_exist() {
     [ $ls_exit_status -ne 0 ]
 }
 
-[[ -z "${BACKUP_DIR}" ]] && echo "Required 'BACKUP_DIR' env not set" && exit 1
+[[ -z "${BACKUP_DIR}" ]] && { echo "Required 'BACKUP_DIR' env not set"; exit 1; }
 
 # Check if we have any backup
 if is_backup_not_exist "${BACKUP_DIR}"; then
diff --git a/backup/pvc/bin/run.sh b/backup/pvc/bin/run.sh
index 441902dd0..4b6052019 100644
--- a/backup/pvc/bin/run.sh
+++ b/backup/pvc/bin/run.sh
@@ -16,7 +16,8 @@ check_env_var() {
 is_backup_not_exist() {
     local backup_dir="$1"
     # Save the current value of 'set -e'
-    local previous_e=$(set +e; :; echo $?)
+    local previous_e
+    previous_e=$(set +e; :; echo $?)
 
     # Temporarily turn off 'set -e'
     set +e
@@ -57,7 +58,7 @@ fi
 
 while true;
 do
-    sleep $BACKUP_CLEANUP_INTERVAL
+    sleep "$BACKUP_CLEANUP_INTERVAL"
     if [[ -n "${BACKUP_COUNT}" ]]; then
         exceeding_backups=$(find_exceeding_backups "${BACKUP_DIR}" "${BACKUP_COUNT}")
         if [[ -n "$exceeding_backups" ]]; then
diff --git a/chart/jenkins-operator/README.md b/chart/jenkins-operator/README.md
index 96e510919..c7e5ad847 100644
--- a/chart/jenkins-operator/README.md
+++ b/chart/jenkins-operator/README.md
@@ -30,7 +30,7 @@ Kubernetes native operator which fully manages Jenkins on Kubernetes
 | jenkins.backup.env[2].name | string | `"BACKUP_COUNT"` |  |
 | jenkins.backup.env[2].value | string | `"3"` |  |
 | jenkins.backup.getLatestAction[0] | string | `"/home/user/bin/get-latest.sh"` |  |
-| jenkins.backup.image | string | `"quay.io/jenkins-kubernetes-operator/backup-pvc:v0.2.6"` |  |
+| jenkins.backup.image | string | `"quay.io/jenkins-kubernetes-operator/backup-pvc:v0.2.7"` |  |
 | jenkins.backup.interval | int | `30` |  |
 | jenkins.backup.makeBackupBeforePodDeletion | bool | `true` |  |
 | jenkins.backup.pvc.className | string | `""` |  |
diff --git a/chart/jenkins-operator/values.yaml b/chart/jenkins-operator/values.yaml
index 388de22ec..236f6e800 100644
--- a/chart/jenkins-operator/values.yaml
+++ b/chart/jenkins-operator/values.yaml
@@ -210,7 +210,7 @@ jenkins:
 
     # image used by backup feature
     # By default using prebuilt backup PVC image
-    image: quay.io/jenkins-kubernetes-operator/backup-pvc:v0.2.6
+    image: quay.io/jenkins-kubernetes-operator/backup-pvc:v0.2.7
 
     # containerName is backup container name
     containerName: backup