diff --git a/packages/agent/CHANGELOG.md b/packages/agent/CHANGELOG.md
index b39699aa..654a018b 100644
--- a/packages/agent/CHANGELOG.md
+++ b/packages/agent/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.40.1] - 2026-01-09
 
 ## [0.40.0] - 2026-01-08
diff --git a/packages/ai/CHANGELOG.md b/packages/ai/CHANGELOG.md
index b617f11d..63a7bb3e 100644
--- a/packages/ai/CHANGELOG.md
+++ b/packages/ai/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.40.1] - 2026-01-09
 
 ## [0.40.0] - 2026-01-08
diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md
index 8f907e1f..35c7d395 100644
--- a/packages/coding-agent/CHANGELOG.md
+++ b/packages/coding-agent/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.40.1] - 2026-01-09
 
 ### Removed
diff --git a/packages/mom/CHANGELOG.md b/packages/mom/CHANGELOG.md
index e6a6a13f..309dbd10 100644
--- a/packages/mom/CHANGELOG.md
+++ b/packages/mom/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.40.1] - 2026-01-09
 
 ## [0.40.0] - 2026-01-08
diff --git a/packages/tui/CHANGELOG.md b/packages/tui/CHANGELOG.md
index 047ceea3..dc2bb01d 100644
--- a/packages/tui/CHANGELOG.md
+++ b/packages/tui/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.40.1] - 2026-01-09
 
 ## [0.40.0] - 2026-01-08
diff --git a/packages/web-ui/CHANGELOG.md b/packages/web-ui/CHANGELOG.md
index 811c7269..938ca275 100644
--- a/packages/web-ui/CHANGELOG.md
+++ b/packages/web-ui/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.40.1] - 2026-01-09
 
 ## [0.40.0] - 2026-01-08