diff --git a/container.yaml b/container.yaml
index 94f9022..508cea5 100644
--- a/container.yaml
+++ b/container.yaml
@@ -3,6 +3,7 @@ compose:
     - gnome-books:stable
 flatpak:
     id: org.gnome.Books
+    end-of-life: Unmaintained upstream
     branch: stable
     command: gnome-books
     finish-args: |-