CHANGELOG.md in boxes-3.3.0 vs CHANGELOG.md in boxes-3.3.1

- old
+ new

@@ -1,6 +1,14 @@
 # CHANGELOG
 
+## 3.3.1 (27/04/2018)
+
+* Refresh Ubuntu Xenial ISO image. ([55])
+* Refresh Debian Stretch ISO image. ([54])
+
+[54]: https://github.com/nickcharlton/boxes/pull/54
+[55]: https://github.com/nickcharlton/boxes/pull/55
+
 ## 3.3.0 (27/04/2018)
 
 * Revoke Ubuntu Bionic (18.04) support ([53]).
 
 _**Note:** Ubuntu 18.04 changes the way some networking is configured and so