diff --git a/TODO.md b/TODO.md
index f0abd43..f7a5eaa 100644
--- a/TODO.md
+++ b/TODO.md
@@ -205,6 +205,11 @@ Generated by codebase audit (2026-06-10). Ranked by severity.
 - Remove from the selectable service list and SERVICES.md.
 - Users who want auto-updates can add it manually.
 
+### M8 -- Deprecate Readarr [LOW]
+- Readarr project has been retired upstream. Remove from the selectable service
+  list, services definition, and SERVICES.md.
+- Add a note in SERVICES.md under the *arr section if users ask why it's gone.
+
 ### M7 -- Investigate adding Profilarr [LOW]
 - Profilarr manages and syncs quality profiles across Radarr/Sonarr instances.
 - Evaluate: image source, default port, dependencies, config requirements.