diff --git a/TODO.md b/TODO.md
index 4b5e56a..8f908ae 100644
--- a/TODO.md
+++ b/TODO.md
@@ -199,6 +199,12 @@ Generated by codebase audit (2026-06-10). Ranked by severity.
 
 ### M4 -- RESOLVED (`lib/privileges.sh` deleted)
 
+### M6 -- Deprecate Watchtower [LOW]
+- Watchtower auto-updates running containers without user review, which can
+  silently break working setups. At odds with HOPS managing its own deploys.
+- Remove from the selectable service list and SERVICES.md.
+- Users who want auto-updates can add it manually.
+
 ### M5 -- Review Huntarr inclusion -- switch to elfhosted rebuild [MED]
 - The current `services` definition uses the original plexguide/Huntarr.io image.
   The project has been rebuilt by elfhosted under a new image/repo.