CHANGELOG.md in lockbox-0.3.0 vs CHANGELOG.md in lockbox-0.3.1

@@ -1,4 +1,9 @@
+## 0.3.1 (2019-12-26)
+
+- Fixed encoding for `encrypt_io` and `decrypt_io` in Ruby 2.7
+- Fixed deprecation warnings in Ruby 2.7
+
 ## 0.3.0 (2019-12-22)
 
 - Added support for custom types
 - Added support for virtual attributes
 - Made many Mongoid methods consistent with unencrypted columns