CHANGELOG.md in torch-rb-0.3.0 vs CHANGELOG.md in torch-rb-0.3.1

@@ -1,4 +1,9 @@
+## 0.3.1 (2020-08-17)
+
+- Added `create_graph` and `retain_graph` options to `backward` method
+- Fixed error when `set` not required
+
 ## 0.3.0 (2020-07-29)
 
 - Updated LibTorch to 1.6.0
 - Removed `state_dict` method from optimizers until `load_state_dict` is implemented