README.md in ddbcli-0.5.3 vs README.md in ddbcli-0.5.4

- old
+ new

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 # ddbcli
 
 ddbcli is an interactive command-line client of Amazon DynamoDB.
 
-[![Gem Version](https://badge.fury.io/rb/ddbcli.png)](http://badge.fury.io/rb/ddbcli)
+[![Gem Version](https://badge.fury.io/rb/ddbcli.svg)](http://badge.fury.io/rb/ddbcli)
 [![Build Status](https://travis-ci.org/winebarrel/ddbcli.svg?branch=master)](https://travis-ci.org/winebarrel/ddbcli)
 
 ## Installation
 
     $ gem install ddbcli