diff --git a/docs/ROADMAP.md b/docs/ROADMAP.md
index 86b43c6..74fdc52 100644
--- a/docs/ROADMAP.md
+++ b/docs/ROADMAP.md
@@ -4,7 +4,7 @@ Written 2026-10-01 from the original 2023 code, the decePubClient UI, a federati
 
 ## Status
 
-- [ ] P0 Security baseline
+- [x] P0 Security baseline: v1.1.0, deployed and verified 2026-10-01
 - [ ] P1.1 Infrastructure and content model
 - [ ] P1.2 Social graph and timelines
 - [ ] P2 Mastodon client API