CHANGELOG.md in onnxruntime-0.4.0 vs CHANGELOG.md in onnxruntime-0.5.0

@@ -1,4 +1,10 @@
+## 0.5.0 (2020-10-01)
+
+- Updated ONNX Runtime to 1.5.1
+- OpenMP is now required on Mac
+- Fixed `mul_1.onnx` example
+
 ## 0.4.0 (2020-07-20)
 
 - Updated ONNX Runtime to 1.4.0
 - Added `providers` method
 - Fixed errors on Windows