README.md in extzstd-0.3 vs README.md in extzstd-0.3.1

- old
+ new

@@ -74,10 +74,10 @@
 
 
 ## Specification
 
   * package name: extzstd
-  * version: 0.3
+  * version: 0.3.1
   * product quality: TECHNICAL PREVIEW, UNSTABLE
   * license: [BSD-2-clause License](LICENSE)
   * author: dearblue <mailto:dearblue@users.noreply.github.com>
   * project page: <https://github.com/dearblue/ruby-extzstd>
   * support ruby: ruby-2.4+