diff --git a/op_list.md b/op_list.md
index a69a54bef1ad763602a350dd894f816279a7d531..aff73baf9a9f9447e215972c44479709b8a4c2d0 100644
--- a/op_list.md
+++ b/op_list.md
@@ -34,6 +34,7 @@
 | 21 | Axpy      | 22 | ROIPolling   | 23 | Permute        | 24 | DetectionOutput      |
 | 25 | Normalize | 26 | Select       | 27 | ShuffleChannel | 28 | ConvolutionDepthwise |
 | 29 | ReLU      | 30 | AbsVal       | 31 | Sigmoid        | 32 | TanH                 |
+| 33 | ReLU6     | 34 | Upsample |
 
 ## ONNX