diff --git a/context/adr/009-incremental-evaluation.md b/context/adr/009-incremental-evaluation.md
index 68135713..1f6df927 100644
--- a/context/adr/009-incremental-evaluation.md
+++ b/context/adr/009-incremental-evaluation.md
@@ -1,6 +1,6 @@
 # ADR 009 — Incremental evaluation: an in-house DBSP core, plugged in behind a trait
 
-**Status:** proposed. ·
+**Status:** accepted. ·
 **Ticket:** improvise-felo.4 (the record of this ADR; implementation goes to its own
 epic) ·
 **Relates to:** ADR 001 (the basis a write claims), ADR 002 (surrogates on the wire),