diff --git a/packages/agent/CHANGELOG.md b/packages/agent/CHANGELOG.md
index c2134fc5..1b16f9a1 100644
--- a/packages/agent/CHANGELOG.md
+++ b/packages/agent/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.42.5] - 2026-01-11
 
 ## [0.42.4] - 2026-01-10
diff --git a/packages/ai/CHANGELOG.md b/packages/ai/CHANGELOG.md
index b912ef47..b7b7844e 100644
--- a/packages/ai/CHANGELOG.md
+++ b/packages/ai/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.42.5] - 2026-01-11
 
 ## [0.42.4] - 2026-01-10
diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md
index e6bf9c23..f21017d9 100644
--- a/packages/coding-agent/CHANGELOG.md
+++ b/packages/coding-agent/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.42.5] - 2026-01-11
 
 ### Fixed
diff --git a/packages/mom/CHANGELOG.md b/packages/mom/CHANGELOG.md
index 1edb402c..2fc5c73b 100644
--- a/packages/mom/CHANGELOG.md
+++ b/packages/mom/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.42.5] - 2026-01-11
 
 ### Fixed
diff --git a/packages/tui/CHANGELOG.md b/packages/tui/CHANGELOG.md
index 262bb65b..74b901b5 100644
--- a/packages/tui/CHANGELOG.md
+++ b/packages/tui/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.42.5] - 2026-01-11
 
 ### Fixed
diff --git a/packages/web-ui/CHANGELOG.md b/packages/web-ui/CHANGELOG.md
index 2ca13303..9b690739 100644
--- a/packages/web-ui/CHANGELOG.md
+++ b/packages/web-ui/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.42.5] - 2026-01-11
 
 ## [0.42.4] - 2026-01-10