diff --git a/packages/agent/CHANGELOG.md b/packages/agent/CHANGELOG.md
index f2a0c0d5f..c8026ffd5 100644
--- a/packages/agent/CHANGELOG.md
+++ b/packages/agent/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.87.1] - 2026-09-22
 
 ## [0.87.0] - 2026-09-21
diff --git a/packages/ai/CHANGELOG.md b/packages/ai/CHANGELOG.md
index d6616d32c..3fd01039a 100644
--- a/packages/ai/CHANGELOG.md
+++ b/packages/ai/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.87.1] - 2026-09-22
 
 ### Added
diff --git a/packages/client/CHANGELOG.md b/packages/client/CHANGELOG.md
index 35fde1cd1..be939d9f8 100644
--- a/packages/client/CHANGELOG.md
+++ b/packages/client/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.87.1] - 2026-09-22
 
 ## [0.87.0] - 2026-09-21
diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md
index dc7e3963d..f146ac35d 100644
--- a/packages/coding-agent/CHANGELOG.md
+++ b/packages/coding-agent/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.87.1] - 2026-09-22
 
 ### New Features
diff --git a/packages/durable/CHANGELOG.md b/packages/durable/CHANGELOG.md
index b8ff0bd1d..59682dec2 100644
--- a/packages/durable/CHANGELOG.md
+++ b/packages/durable/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.87.1] - 2026-09-22
 
 ## [0.87.0] - 2026-09-21
diff --git a/packages/protocol/CHANGELOG.md b/packages/protocol/CHANGELOG.md
index 360433f7c..d1191b182 100644
--- a/packages/protocol/CHANGELOG.md
+++ b/packages/protocol/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.87.1] - 2026-09-22
 
 ## [0.87.0] - 2026-09-21
diff --git a/packages/server/CHANGELOG.md b/packages/server/CHANGELOG.md
index 7ff4c3ba3..8c7177d9e 100644
--- a/packages/server/CHANGELOG.md
+++ b/packages/server/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.87.1] - 2026-09-22
 
 ## [0.87.0] - 2026-09-21
diff --git a/packages/session-backends/sqlite-node/CHANGELOG.md b/packages/session-backends/sqlite-node/CHANGELOG.md
index a78fb1fdd..ea03cfc51 100644
--- a/packages/session-backends/sqlite-node/CHANGELOG.md
+++ b/packages/session-backends/sqlite-node/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.87.1] - 2026-09-22
 
 ## [0.87.0] - 2026-09-21
diff --git a/packages/telemetry/CHANGELOG.md b/packages/telemetry/CHANGELOG.md
index 90bf8d6a1..657674679 100644
--- a/packages/telemetry/CHANGELOG.md
+++ b/packages/telemetry/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.87.1] - 2026-09-22
 
 ## [0.87.0] - 2026-09-21
diff --git a/packages/tui/CHANGELOG.md b/packages/tui/CHANGELOG.md
index 8c0f9defb..36b9d1820 100644
--- a/packages/tui/CHANGELOG.md
+++ b/packages/tui/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [Unreleased]
+
 ## [0.87.1] - 2026-09-22
 
 ## [0.87.0] - 2026-09-21