CHANGELOG.md in lightgbm-0.2.1 vs CHANGELOG.md in lightgbm-0.2.2

@@ -1,4 +1,8 @@
+## 0.2.2 (2020-12-07)
+
+- Updated LightGBM to 3.1.1
+
 ## 0.2.1 (2020-11-15)
 
 - Updated LightGBM to 3.1.0
 
 ## 0.2.0 (2020-08-31)