diff --git a/CHANGELOG.md b/CHANGELOG.md
index afa062945a2..d4bb3cda849 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 Unreleased Changes
 ------------------
 
+2.11.173 (2018-11-16)
+------------------
+
 * Feature - Aws::CostExplorer - Updated the API, and documentation for AWS Cost Explorer Service.
 
 * Feature - Aws::Comprehend - Updated the API, and documentation for Amazon Comprehend.
diff --git a/VERSION b/VERSION
index 28c3e62d709..98b5902153d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.11.172
\ No newline at end of file
+2.11.173
\ 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 eb4d93afc0e..d640cf7961c 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 = '2.11.172'
+  VERSION = '2.11.173'
 end