diff --git a/tools/ci_build/github/linux/docker/scripts/manylinux/requirements.txt b/tools/ci_build/github/linux/docker/scripts/manylinux/requirements.txt
index 31671520e4..d06e912001 100644
--- a/tools/ci_build/github/linux/docker/scripts/manylinux/requirements.txt
+++ b/tools/ci_build/github/linux/docker/scripts/manylinux/requirements.txt
@@ -4,6 +4,6 @@ pytest
 setuptools>=41.4.0
 wheel
 git+http://github.com/onnx/onnx.git@be76ca7148396176784ba8733133b9fb1186ea0d#egg=onnx
-protobuf
+protobuf==3.18.1
 sympy==1.1.1
 flatbuffers