diff --git a/CHANGELOG.md b/CHANGELOG.md
index 18d85ab34..66b4cd8a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ Format based on [Keep a Changelog](https://keepachangelog.com/).
 ## [Unreleased]
 
 ### Added
+- Automated Godot download/install via `make setup` (tooling/install-godot script, installs to ~/bin/godot4)
 - Round 18 v0.1 gap analysis workshop — 7 agents, 2 rounds, 4 tracks (concept proof, wow factor, missing systems, testability)
 - D-030: Testability architecture — 8 sub-decisions for ticket #214 (gdUnit4, hybrid Rust testing, CauseChain component, three-layer IPC testing)
 - D-031: Time system — 10 ticks = 1 game-minute, 4 day phases (Morning/Afternoon/Evening/Night), diegetic clock display