diff --git a/pyproject.toml b/pyproject.toml
index 0df03f1d5..0632139dc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openai-agents"
-version = "0.3.3"
+version = "0.4.0"
 description = "OpenAI Agents SDK"
 readme = "README.md"
 requires-python = ">=3.9"
diff --git a/uv.lock b/uv.lock
index 58710d7e8..a23084862 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1877,7 +1877,7 @@ wheels = [
 
 [[package]]
 name = "openai-agents"
-version = "0.3.3"
+version = "0.4.0"
 source = { editable = "." }
 dependencies = [
     { name = "griffe" },