diff --git a/pyproject.toml b/pyproject.toml
index 220b908..edde99b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "agent-client-protocol"
-version = "0.11.1"
+version = "0.12.0"
 description = "A Python implement of Agent Client Protocol (ACP, by Zed Industries)"
 authors = [
     { name = "Chojan Shang", email = "psiace@apache.org" },
diff --git a/uv.lock b/uv.lock
index 5c62ff3..fca93fb 100644
--- a/uv.lock
+++ b/uv.lock
@@ -8,7 +8,7 @@ resolution-markers = [
 
 [[package]]
 name = "agent-client-protocol"
-version = "0.11.1"
+version = "0.12.0"
 source = { editable = "." }
 dependencies = [
     { name = "pydantic" },