diff --git a/cluster/apps/data/bookstack/helm-release.yaml b/cluster/apps/data/bookstack/helm-release.yaml
index af2df51d1..37c8921aa 100644
--- a/cluster/apps/data/bookstack/helm-release.yaml
+++ b/cluster/apps/data/bookstack/helm-release.yaml
@@ -10,7 +10,7 @@ spec:
     spec:
       # renovate: registryUrl=https://k8s-at-home.com/charts/
       chart: bookstack
-      version: 3.3.1
+      version: 4.0.0
       sourceRef:
         kind: HelmRepository
         name: k8s-at-home-charts