diff --git a/packages/agent/CHANGELOG.md b/packages/agent/CHANGELOG.md
index 47468c43..c73f3528 100644
--- a/packages/agent/CHANGELOG.md
+++ b/packages/agent/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.42.4] - 2026-01-10
 
 ## [0.42.3] - 2026-01-10
diff --git a/packages/ai/CHANGELOG.md b/packages/ai/CHANGELOG.md
index d917cbb4..7f030145 100644
--- a/packages/ai/CHANGELOG.md
+++ b/packages/ai/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.42.4] - 2026-01-10
 
 ## [0.42.3] - 2026-01-10
diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md
index c0f54253..229830fc 100644
--- a/packages/coding-agent/CHANGELOG.md
+++ b/packages/coding-agent/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.42.4] - 2026-01-10
 
 ### Fixed
diff --git a/packages/mom/CHANGELOG.md b/packages/mom/CHANGELOG.md
index d204df80..914d4b55 100644
--- a/packages/mom/CHANGELOG.md
+++ b/packages/mom/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.42.4] - 2026-01-10
 
 ## [0.42.3] - 2026-01-10
diff --git a/packages/tui/CHANGELOG.md b/packages/tui/CHANGELOG.md
index 26424801..702f67d9 100644
--- a/packages/tui/CHANGELOG.md
+++ b/packages/tui/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.42.4] - 2026-01-10
 
 ## [0.42.3] - 2026-01-10
diff --git a/packages/web-ui/CHANGELOG.md b/packages/web-ui/CHANGELOG.md
index 07053992..eefb9b67 100644
--- a/packages/web-ui/CHANGELOG.md
+++ b/packages/web-ui/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.42.4] - 2026-01-10
 
 ## [0.42.3] - 2026-01-10