diff --git a/templates/bookstack/.felhom.yml b/templates/bookstack/.felhom.yml
index 87bc836..ba75a75 100644
--- a/templates/bookstack/.felhom.yml
+++ b/templates/bookstack/.felhom.yml
@@ -10,7 +10,7 @@ subdomain: "wiki"
 slug: "bookstack"
 # catalog_since: the date THIS repo last changed this app's pinned images. Any commit that
 # changes an image: line must set this to the same day (see CLAUDE.md).
-catalog_since: "2026-07-18"
+catalog_since: "2026-09-22"
 
 # --- Resource hints (displayed on deploy screen) ---
 resources:
diff --git a/templates/bookstack/docker-compose.yml b/templates/bookstack/docker-compose.yml
index 56aa373..35e3e21 100644
--- a/templates/bookstack/docker-compose.yml
+++ b/templates/bookstack/docker-compose.yml
@@ -10,7 +10,7 @@
 
 services:
   bookstack:
-    image: lscr.io/linuxserver/bookstack:26.05.2
+    image: lscr.io/linuxserver/bookstack:26.05.5
     container_name: bookstack
     restart: unless-stopped
     depends_on: