Bumped version for 2.11.521 release.

AWS SDK for Ruby · Nobody · commit a32042b1f8b1 · 2020-06-04T18:15:12.000Z
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,9 @@
 Unreleased Changes
 ------------------
 
+2.11.521 (2020-06-04)
+------------------
+
 * Feature - Aws::EC2 - Updated the API for Amazon Elastic Compute Cloud.
 
 * Feature - Aws::Lightsail - Updated the API, and documentation for Amazon Lightsail.
diff --git a/VERSION b/VERSION
@@ -1 +1 @@
-2.11.520
+2.11.521
diff --git a/aws-sdk-core/lib/aws-sdk-core/version.rb b/aws-sdk-core/lib/aws-sdk-core/version.rb
@@ -1,3 +1,3 @@
 module Aws
-  VERSION = '2.11.520'
+  VERSION = '2.11.521'
 end
