diff --git a/cluster/apps/data/bookstack/helm-release.yaml b/cluster/apps/data/bookstack/helm-release.yaml
index a60ae7e1d..63f439739 100644
--- a/cluster/apps/data/bookstack/helm-release.yaml
+++ b/cluster/apps/data/bookstack/helm-release.yaml
@@ -21,7 +21,7 @@ spec:
       repository: ghcr.io/linuxserver/bookstack
       pullPolicy: IfNotPresent
       # Overrides the image tag whose default is the chart appVersion.
-      tag: "version-v21.04.2"
+      tag: "version-v21.05.3"
     mariadb:
       enabled: true
       image: