changelog.md in s3_website-1.6.3 vs changelog.md in s3_website-1.6.4

@@ -1,8 +1,14 @@
 # Changelog
 
 This project uses [Semantic Versioning](http://semver.org).
 
+## 1.6.4
+
+* Add systematic error handling
+
+  Fixes issue https://github.com/laurilehmijoki/s3_website/issues/52.
+
 ## 1.6.3
 
 * Invalidate a deleted file on CloudFront
 
 ## 1.6.2