diff --git a/src/dialect/onnx/onnxop.inc b/src/dialect/onnx/onnxop.inc
index 2129b60..3ec669a 100644
--- a/src/dialect/onnx/onnxop.inc
+++ b/src/dialect/onnx/onnxop.inc
@@ -322,7 +322,7 @@ def ONNXConvOp:ONNX_Op<"Conv",
     "The convolution operator consumes an input tensor and a filter, and"
     "computes the output."
   }];
-  let arguments = (ins AnyTypeOf<[AnyMemRef, AnyTensor]>:$X, AnyTypeOf<[AnyMemRef, AnyTensor]>:$W, AnyTypeOf<[AnyMemRef, AnyTensor]>:$B);
+  let arguments = (ins AnyTypeOf<[AnyMemRef, AnyTensor]>:$X, AnyTypeOf<[AnyMemRef, AnyTensor]>:$W, Variadic<AnyTypeOf<[AnyMemRef, AnyTensor]>>:$B);
   let results = (outs AnyTypeOf<[AnyMemRef, AnyTensor]>);
 }