diff --git a/packages/agent/CHANGELOG.md b/packages/agent/CHANGELOG.md
index b39699aa1..654a018b2 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 b617f11d5..63a7bb3e5 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 8f907e1f1..35c7d3952 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 e6a6a13f5..309dbd105 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 047ceea32..dc2bb01d5 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 811c72698..938ca2757 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