diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
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@@ -1,3 +1,4 @@
 
 ## Acknowledgements
 - Thanks to bug1989 [https://github.com/bug1989] for contributing the initial quantized int8 inference code and a large variety of device benchmark
+- Thanks to zhiliu6 [https://github.com/zhiliu6] for contributing the darknet conversion tool, operators and YOLO examples