CHANGELOG.md in activesupport-5.1.6 vs CHANGELOG.md in activesupport-5.1.6.1

@@ -1,4 +1,9 @@
+## Rails 5.1.6.1 (November 27, 2018) ##
+
+*   No changes.
+
+
 ## Rails 5.1.6 (March 29, 2018) ##
 
 *   Return all mappings for a timezone identifier in `country_zones`
 
     Some timezones like `Europe/London` have multiple mappings in