diff --git a/requirements.txt b/requirements.txt
index 970acc342bb7984e69929d1ef5eaa027b765ced0..9038a5e8170301421529e0b570482316e4fff20a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ onnx==1.11.0
 onnxoptimizer
 onnxruntime==1.11.1
 pre-commit==2.9.2
-protobuf==3.20.1
+protobuf==3.20.2
 pyscaffold==3.2.1
 scipy==1.5.2
 setupext-janitor>=1.1.2