diff --git a/official_examples/Using_Hetero_Cluster_Framework_to_train_a_Pong_Player_with_Rllib/worker_algorithm_dir/pip-requirements.txt b/official_examples/Using_Hetero_Cluster_Framework_to_train_a_Pong_Player_with_Rllib/worker_algorithm_dir/pip-requirements.txt
index 2cc98b145..21c74687d 100644
--- a/official_examples/Using_Hetero_Cluster_Framework_to_train_a_Pong_Player_with_Rllib/worker_algorithm_dir/pip-requirements.txt
+++ b/official_examples/Using_Hetero_Cluster_Framework_to_train_a_Pong_Player_with_Rllib/worker_algorithm_dir/pip-requirements.txt
@@ -3,4 +3,4 @@ dm-tree
 dataclasses
 ray[rllib]
 aioredis<2.0
-aiohttp==3.7
\ No newline at end of file
+aiohttp==3.7.4
\ No newline at end of file