diff --git a/packages/agent/CHANGELOG.md b/packages/agent/CHANGELOG.md
index baddff93..fd816423 100644
--- a/packages/agent/CHANGELOG.md
+++ b/packages/agent/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.78.0] - 2026-05-29
 
 ## [0.77.0] - 2026-05-28
diff --git a/packages/ai/CHANGELOG.md b/packages/ai/CHANGELOG.md
index cc36eae2..c5b27a08 100644
--- a/packages/ai/CHANGELOG.md
+++ b/packages/ai/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.78.0] - 2026-05-29
 
 ### Breaking Changes
diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md
index f0ec8428..8326b565 100644
--- a/packages/coding-agent/CHANGELOG.md
+++ b/packages/coding-agent/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.78.0] - 2026-05-29
 
 ### New Features
diff --git a/packages/tui/CHANGELOG.md b/packages/tui/CHANGELOG.md
index 47297b4f..ae628067 100644
--- a/packages/tui/CHANGELOG.md
+++ b/packages/tui/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.78.0] - 2026-05-29
 
 ### Fixed