diff --git a/readme-vars.yml b/readme-vars.yml
index 1d26c1b..b1a5438 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -131,7 +131,7 @@ init_diagram: |
     svc-queue-worker -> legacy-services
   }
   Base Images: {
-    "baseimage-alpine-nginx:3.21" <- "baseimage-alpine:3.21"
+    "baseimage-alpine-nginx:3.22" <- "baseimage-alpine:3.22"
   }
   "bookstack:latest" <- Base Images
 # changelog