CHANGELOG.md in tomoto-0.2.0 vs CHANGELOG.md in tomoto-0.2.1

@@ -1,4 +1,8 @@
+## 0.2.1 (2021-08-23)
+
+- Added support for unseen documents
+
 ## 0.2.0 (2021-05-23)
 
 - Updated tomoto to 0.12.0
 - Dropped support for Ruby < 2.6