diff --git a/CHANGELOG.md b/CHANGELOG.md
index d143d05add..4cbc06bf04 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## next release
+## 3.86.1 - 2019-01-17
 
 * `Aws\Lambda` - Documentation updates for AWS Lambda
 * `Aws\Lightsail` - This release adds functionality to the CreateDiskSnapshot API that allows users to snapshot instance root volumes. It also adds various documentation updates.
diff --git a/src/Sdk.php b/src/Sdk.php
index 30aa9dd8c9..b2bd6e63c8 100644
--- a/src/Sdk.php
+++ b/src/Sdk.php
@@ -345,7 +345,7 @@
  */
 class Sdk
 {
-    const VERSION = '3.86.0';
+    const VERSION = '3.86.1';
 
     /** @var array Arguments for creating clients */
     private $args;