diff --git a/openwakeword/train.py b/openwakeword/train.py
index 411fc43..4df0798 100755
--- a/openwakeword/train.py
+++ b/openwakeword/train.py
@@ -309,7 +309,7 @@ class Model(nn.Module):
         # Save ONNX model
         logging.info(f"####\nSaving ONNX mode as '{os.path.join(output_dir, model_name + '.onnx')}'")
         model_to_save = copy.deepcopy(model)
-        torch.onnx.export(model_to_save.to("cpu"), torch.rand(self.input_shape)[None, ], os.path.join(output_dir, model_name + ".onnx"))
+        torch.onnx.export(model_to_save.to("cpu"), torch.rand(self.input_shape)[None, ], os.path.join(output_dir, model_name + ".onnx"), opset_version=13)
 
         return None