diff --git a/BERT/simple_bert_using_tf2/requirements.txt b/BERT/simple_bert_using_tf2/requirements.txt
index 40f67e7..4ba8fe9 100644
--- a/BERT/simple_bert_using_tf2/requirements.txt
+++ b/BERT/simple_bert_using_tf2/requirements.txt
@@ -17,7 +17,7 @@ Markdown==3.1.1
 numpy==1.17.4
 oauthlib==3.1.0
 opt-einsum==3.1.0
-protobuf==3.10.0
+protobuf==3.18.3
 pyasn1==0.4.7
 pyasn1-modules==0.2.7
 requests==2.22.0