Preparing for release, 0.9.0.

Author: dblock

CHANGELOG.md

@@ -1,11 +1,10 @@
 ### Changelog
 
-#### 0.9.0 (Next)
+#### 0.9.0 (2019/2/25)
 
 * [#93](https://github.com/slack-ruby/slack-ruby-bot-server/pull/93): Removed ping worker in favor of slack-ruby-client lower level ping - [@dblock](https://github.com/dblock).
-* Your contribution here.
 
-#### 0.8.3 (2019/01/17)
+#### 0.8.3 (2019/1/17)
 
 * [#88](https://github.com/slack-ruby/slack-ruby-bot-server/issues/88): Fix: compatibility with Grape 1.2.x - [@dblock](https://github.com/dblock).
 

README.md

@@ -13,7 +13,7 @@ A library that contains a [Grape](http://github.com/ruby-grape/grape) API servin
 
 ### Stable Release
 
-You're reading the documentation for the **next** release of slack-ruby-bot-server. Please see the documentation for the [last stable release, v0.8.3](https://github.com/slack-ruby/slack-ruby-bot-server/blob/v0.8.3/README.md) unless you're integrating with HEAD. See [UPGRADING](UPGRADING.md) when upgrading from an older version.
+You're reading the documentation for the **stable** release of slack-ruby-bot-server, v0.9.0. See [UPGRADING](UPGRADING.md) when upgrading from an older version.
 
 ### Try Me
 

UPGRADING.md

@@ -7,7 +7,7 @@ Upgrading Slack-Ruby-Bot-Server
 
 The ping worker that was added in 0.7.0 has been removed in favor of a lower level implementation in slack-ruby-client. Remove any references to `ping` options.
 
-See [slack-ruby-client#226](https://github.com/slack-ruby/slack-ruby-client/pull/226) for more information.
+See [slack-ruby-client#226](https://github.com/slack-ruby/slack-ruby-client/pull/226) and [#93](https://github.com/slack-ruby/slack-ruby-bot-server/pull/93) for more information.
 
 ### Upgrading to >= 0.8.0