diff --git a/setup.py b/setup.py
index 66616752..8cc921d9 100644
--- a/setup.py
+++ b/setup.py
@@ -67,7 +67,7 @@
     "scipy": ["scipy"],
     "onnx": ["onnx"],
     "onnxruntime": [
-        "protobuf==3.20.1",
+        "protobuf==3.20.3",
         "onnxruntime<1.14",
     ],  # TODO - see if it can be merged with onnx
     "catboost": ["catboost"],