README.md in sinclair-1.6.3 vs README.md in sinclair-1.6.4

@@ -13,10 +13,10 @@
 that enables creation of methods on the fly through class
 methods
 
 Yard Documentation
 -------------------
-[https://www.rubydoc.info/gems/sinclair/1.6.3](https://www.rubydoc.info/gems/sinclair/1.6.3)
+[https://www.rubydoc.info/gems/sinclair/1.6.4](https://www.rubydoc.info/gems/sinclair/1.6.4)
 
 Installation
 ---------------
 
 -   Install it