diff --git a/examples/vai_quantizer/tensorflow2x/transformers_bert_qa/requirements.txt b/examples/vai_quantizer/tensorflow2x/transformers_bert_qa/requirements.txt
old mode 100755
new mode 100644
index a1e7ee01d..74051a263
--- a/examples/vai_quantizer/tensorflow2x/transformers_bert_qa/requirements.txt
+++ b/examples/vai_quantizer/tensorflow2x/transformers_bert_qa/requirements.txt
@@ -1,7 +1,7 @@
 datasets==2.9.0
 onnx==1.12.0
 tf2onnx==1.13.0
-protobuf==3.20.1
+protobuf==3.20.2
 tensorflow==2.12.0
 tokenizers==0.12.1
 torch==1.11.0