diff --git a/infrastructure/docker-backup/image/Dockerfile b/infrastructure/docker-backup/image/Dockerfile
index 20e4c73..9b6d4f0 100644
--- a/infrastructure/docker-backup/image/Dockerfile
+++ b/infrastructure/docker-backup/image/Dockerfile
@@ -1,4 +1,4 @@
-FROM domaindrivenarchitecture/dda-backup
+FROM domaindrivenarchitecture/dda-backup:1.0.5
 
 # Prepare Entrypoint Script
 ADD resources /tmp
diff --git a/infrastructure/docker-backup/image/resources/backup.sh b/infrastructure/docker-backup/image/resources/backup.sh
index 9803839..b7fe1be 100755
--- a/infrastructure/docker-backup/image/resources/backup.sh
+++ b/infrastructure/docker-backup/image/resources/backup.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -xo pipefail
+set -o pipefail
 
 function main() {
 
@@ -11,7 +11,8 @@ function main() {
     file_env POSTGRES_DB
     file_env POSTGRES_PASSWORD
     file_env POSTGRES_USER
-    file_env RESTIC_DAYS_TO_KEEP 14
+    file_env RESTIC_DAYS_TO_KEEP 30
+    file_env RESTIC_MONTHS_TO_KEEP 12
 
     backup-roles 'oc_'
     backup-db-dump