diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1bb0baed31..1019a2a643 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## next release
+## 3.89.1 - 2019-03-08
 
 * `Aws\CodeBuild` - CodeBuild also now supports Git Submodules. CodeBuild now supports opting out of Encryption for S3 Build Logs. By default these logs are encrypted.
 * `Aws\S3` - Documentation updates for s3
diff --git a/src/Sdk.php b/src/Sdk.php
index 40198021e5..7007651182 100644
--- a/src/Sdk.php
+++ b/src/Sdk.php
@@ -349,7 +349,7 @@
  */
 class Sdk
 {
-    const VERSION = '3.89.0';
+    const VERSION = '3.89.1';
 
     /** @var array Arguments for creating clients */
     private $args;