diff --git a/agents-api/poetry.lock b/agents-api/poetry.lock
index b703a0814..6862ea736 100644
--- a/agents-api/poetry.lock
+++ b/agents-api/poetry.lock
@@ -4579,4 +4579,4 @@ test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools",
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.11,<3.12"
-content-hash = "ce6fb9e63ff83a508ad9660217393b84e7174493f6b30f21f6a23fe9b4262fc8"
+content-hash = "d838b92c29db6a823f88413256c0565f454e834782f245585aac63067423e610"
diff --git a/agents-api/pyproject.toml b/agents-api/pyproject.toml
index eceeba341..605b23cf2 100644
--- a/agents-api/pyproject.toml
+++ b/agents-api/pyproject.toml
@@ -18,7 +18,7 @@ openai = "^1.41.0"
 httpx = "^0.27.0"
 sentry-sdk = {extras = ["fastapi"], version = "^2.13.0"}
 temporalio = "^1.6.0"
-pydantic = "^2.8.2"
+pydantic = {extras = ["email"], version = "^2.8.2"}
 arrow = "^1.3.0"
 jinja2 = "^3.1.4"
 jinja2schema = "^0.1.4"