diff --git a/CHANGELOG.md b/CHANGELOG.md
index 22ce0cab..5e2d094b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.6.0](https://github.com/agentclientprotocol/agent-client-protocol/compare/v1.5.0...v1.6.0) - 2026-07-21
+
+### Added
+
+- *(unstable)* add tool call name ([#1752](https://github.com/agentclientprotocol/agent-client-protocol/pull/1752))
+- *(unstable-v2)* add cancelled variant to tool call and plan item ([#1750](https://github.com/agentclientprotocol/agent-client-protocol/pull/1750))
+
 ## [1.5.0](https://github.com/agentclientprotocol/agent-client-protocol/compare/v1.4.0...v1.5.0) - 2026-07-20
 
 ### Added
diff --git a/Cargo.lock b/Cargo.lock
index 8fbd3f6e..7619f78c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,15 +4,15 @@ version = 4
 
 [[package]]
 name = "agent-client-protocol-json-schema-v1"
-version = "1.19.1"
+version = "1.20.0"
 
 [[package]]
 name = "agent-client-protocol-json-schema-v2"
-version = "2.0.0-alpha.1"
+version = "2.0.0-alpha.2"
 
 [[package]]
 name = "agent-client-protocol-schema"
-version = "1.5.0"
+version = "1.6.0"
 dependencies = [
  "anyhow",
  "derive_more",
diff --git a/Cargo.toml b/Cargo.toml
index a0e842e0..b772587f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ members = [
 resolver = "3"
 
 [workspace.dependencies]
-agent-client-protocol-schema = { path = "agent-client-protocol-schema", version = "1.5.0" }
+agent-client-protocol-schema = { path = "agent-client-protocol-schema", version = "1.6.0" }
 
 [workspace.lints.rust]
 future_incompatible = { level = "warn", priority = -1 }
diff --git a/agent-client-protocol-schema/Cargo.toml b/agent-client-protocol-schema/Cargo.toml
index a1f00023..662c0ac9 100644
--- a/agent-client-protocol-schema/Cargo.toml
+++ b/agent-client-protocol-schema/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "agent-client-protocol-schema"
 authors = ["Zed <hi@zed.dev>"]
-version = "1.5.0"
+version = "1.6.0"
 edition = "2024"
 license = "Apache-2.0"
 description = "A protocol for standardizing communication between code editors and AI coding agents"
diff --git a/schema/v1/CHANGELOG.md b/schema/v1/CHANGELOG.md
index 2863ab4c..2a39d63d 100644
--- a/schema/v1/CHANGELOG.md
+++ b/schema/v1/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.20.0](https://github.com/agentclientprotocol/agent-client-protocol/compare/schema-v1.19.1...schema-v1.20.0) - 2026-07-21
+
+### Added
+
+- *(unstable)* add tool call name ([#1752](https://github.com/agentclientprotocol/agent-client-protocol/pull/1752))
+
 ## [1.19.1](https://github.com/agentclientprotocol/agent-client-protocol/compare/schema-v1.19.0...schema-v1.19.1) - 2026-07-20
 
 ### Fixed
diff --git a/schema/v1/Cargo.toml b/schema/v1/Cargo.toml
index fcfabe88..40aa4fe7 100644
--- a/schema/v1/Cargo.toml
+++ b/schema/v1/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "agent-client-protocol-json-schema-v1"
-version = "1.19.1"
+version = "1.20.0"
 edition = "2024"
 license = "Apache-2.0"
 description = "Version marker for ACP v1 JSON Schema GitHub releases"
diff --git a/schema/v2/CHANGELOG.md b/schema/v2/CHANGELOG.md
index 6b83c009..48aa91dd 100644
--- a/schema/v2/CHANGELOG.md
+++ b/schema/v2/CHANGELOG.md
@@ -7,6 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.0.0-alpha.2](https://github.com/agentclientprotocol/agent-client-protocol/compare/schema-v2.0.0-alpha.1...schema-v2.0.0-alpha.2) - 2026-07-21
+
+### Added
+
+- *(unstable)* add tool call name ([#1752](https://github.com/agentclientprotocol/agent-client-protocol/pull/1752))
+- *(unstable-v2)* add cancelled variant to tool call and plan item ([#1750](https://github.com/agentclientprotocol/agent-client-protocol/pull/1750))
+
 ## [2.0.0-alpha.1](https://github.com/agentclientprotocol/agent-client-protocol/compare/schema-v2.0.0-alpha.0...schema-v2.0.0-alpha.1) - 2026-07-20
 
 ### Added
diff --git a/schema/v2/Cargo.toml b/schema/v2/Cargo.toml
index 828132f4..17b180ae 100644
--- a/schema/v2/Cargo.toml
+++ b/schema/v2/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "agent-client-protocol-json-schema-v2"
-version = "2.0.0-alpha.1"
+version = "2.0.0-alpha.2"
 edition = "2024"
 license = "Apache-2.0"
 description = "Version marker for ACP v2 JSON Schema artifacts"