diff --git a/CHANGELOG.md b/CHANGELOG.md
index bc7a5a37430..d82d48f22ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 Unreleased Changes
 ------------------
 
+2.11.603 (2020-10-07)
+------------------
+
 * Feature - Aws::CostExplorer - Updated the API, and documentation for AWS Cost Explorer Service.
 
 * Feature - Aws::ComputeOptimizer - Updated the API, and documentation for AWS Compute Optimizer.
diff --git a/VERSION b/VERSION
index 79226d933c8..a9fd8dce235 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.11.602
\ No newline at end of file
+2.11.603
\ No newline at end of file
diff --git a/aws-sdk-core/lib/aws-sdk-core/version.rb b/aws-sdk-core/lib/aws-sdk-core/version.rb
index a8fd107af34..e9d5d4088e8 100644
--- 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 = '2.11.602'
+  VERSION = '2.11.603'
 end