diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 6739dcd35d26..273d193e080c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7354,7 +7354,9 @@ self: super: with self; {
 
   onlykey-solo-python = callPackage ../development/python-modules/onlykey-solo-python { };
 
-  onnx = callPackage ../development/python-modules/onnx { };
+  onnx = callPackage ../development/python-modules/onnx {
+    protobuf = protobuf3;
+  };
 
   onnxconverter-common = callPackage ../development/python-modules/onnxconverter-common { };