diff --git a/src/vai_quantizer/vai_q_tensorflow2.x/tensorflow_model_optimization/python/examples/quantization/keras/vitis/transformers_bert_qa/requirements.txt b/src/vai_quantizer/vai_q_tensorflow2.x/tensorflow_model_optimization/python/examples/quantization/keras/vitis/transformers_bert_qa/requirements.txt
old mode 100755
new mode 100644
index 063c9027a..97e6cf1b4
--- a/src/vai_quantizer/vai_q_tensorflow2.x/tensorflow_model_optimization/python/examples/quantization/keras/vitis/transformers_bert_qa/requirements.txt
+++ b/src/vai_quantizer/vai_q_tensorflow2.x/tensorflow_model_optimization/python/examples/quantization/keras/vitis/transformers_bert_qa/requirements.txt
@@ -1,7 +1,7 @@
 datasets==2.9.0
 onnx==1.14.0
 tf2onnx==1.13.0
-protobuf==3.20.1
+protobuf==3.20.2
 tensorflow==2.12.0
 tokenizers==0.12.1
 torch==1.11.0