diff --git a/src/a2a/server/apps/jsonrpc/jsonrpc_app.py b/src/a2a/server/apps/jsonrpc/jsonrpc_app.py
index 71abf25a..ff6998cd 100644
--- a/src/a2a/server/apps/jsonrpc/jsonrpc_app.py
+++ b/src/a2a/server/apps/jsonrpc/jsonrpc_app.py
@@ -89,6 +89,7 @@ def build(self, request: Request) -> ServerCallContext:
         with contextlib.suppress(Exception):
             user = StarletteUserProxy(request.user)
             state['auth'] = request.auth
+        state['headers'] = dict(request.headers)
         return ServerCallContext(user=user, state=state)