diff --git a/requirements/build.txt b/requirements/build.txt
index 8e2da7fd0..1dbf5fc3b 100644
--- a/requirements/build.txt
+++ b/requirements/build.txt
@@ -21,4 +21,4 @@ jinja2==3.0.3
 libclang==12.0.0
 mypy==0.910
 onnx==1.6.0
-protobuf==3.11.2
+protobuf==3.18.3
diff --git a/requirements/run.txt b/requirements/run.txt
index f10dc097a..e23149374 100644
--- a/requirements/run.txt
+++ b/requirements/run.txt
@@ -19,7 +19,7 @@
 wheel
 numpy==1.19.2
 onnx==1.6.0
-protobuf==3.11.2
+protobuf==3.18.3
 pytest==6.2.0
 pytest-xdist==2.5.0
 --find-links https://download.pytorch.org/whl/torch_stable.html