diff --git a/CHANGELOG.md b/CHANGELOG.md
index daca8d04..5f3aebe1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.13.0](https://github.com/agentclientprotocol/agent-client-protocol/compare/v0.12.2...v0.13.0) - 2026-04-30
+
+### Other
+
+- *(unstable)* Start setting up v2 Schema scaffolding for experimentation ([#1099](https://github.com/agentclientprotocol/agent-client-protocol/pull/1099))
+- reorganize to v1 module ([#1094](https://github.com/agentclientprotocol/agent-client-protocol/pull/1094))
+
 ## [0.12.2](https://github.com/agentclientprotocol/agent-client-protocol/compare/v0.12.1...v0.12.2) - 2026-04-23
 
 ### Added
diff --git a/Cargo.lock b/Cargo.lock
index 4eca15f5..5e950582 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,7 +4,7 @@ version = 4
 
 [[package]]
 name = "agent-client-protocol-schema"
-version = "0.12.2"
+version = "0.13.0"
 dependencies = [
  "anyhow",
  "derive_more",
diff --git a/Cargo.toml b/Cargo.toml
index 55ed3693..e7b454c2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "agent-client-protocol-schema"
 authors = ["Zed <hi@zed.dev>"]
-version = "0.12.2"
+version = "0.13.0"
 edition = "2024"
 license = "Apache-2.0"
 description = "A protocol for standardizing communication between code editors and AI coding agents"