diff --git a/CHANGELOG.md b/CHANGELOG.md
index 18b20f346..305150cea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ Docs: https://docs.clawd.bot
 
 ### Fixes
 - Control UI: ignore bootstrap identity placeholder text for avatar values and fall back to the default avatar. https://docs.clawd.bot/cli/agents https://docs.clawd.bot/web/control-ui
+- Slack: remove deprecated `filetype` field from `files.uploadV2` to eliminate API warnings. (#1447)
 
 ## 2026.1.21