diff --git a/plans/0000-roadmap.md b/plans/0000-roadmap.md
index 93a417a..48306c1 100644
--- a/plans/0000-roadmap.md
+++ b/plans/0000-roadmap.md
@@ -70,10 +70,10 @@ the real design happens. The blurbs here stay deliberately loose.
   the DM's words streaming in. No tools, no persistence. *You can now:
   have a conversation with a DM in your terminal.*
   ([0003](completed/0003-talk-to-a-model.md))
-- [ ] **Phase 3: Dice.** The full 5e dice grammar as a pure module, plus
+- [x] **Phase 3: Dice.** The full 5e dice grammar as a pure module, plus
   a `storied roll` subcommand to play with it. *You can now: roll
   `4d6kh3` at your shell and watch the dice fall.*
-  ([0004](0004-dice.md))
+  ([0004](completed/0004-dice.md))
 - [ ] **Phase 4: Tool calls.** The loop grows in-process tools, starting
   with dice. This phase settles how a tool declares itself, how results
   flow back through the loop, and how tool calls get their own styling
diff --git a/plans/0004-dice.md b/plans/completed/0004-dice.md
similarity index 100%
rename from plans/0004-dice.md
rename to plans/completed/0004-dice.md