diff --git a/CHANGELOG.md b/CHANGELOG.md
index f01127cc..5e0b9485 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## 3.3.0
+January 27th, 2020
+
+### New Features:
+- Added a new API to get project configuration static data.
+  - Call `getOptimizelyConfig()` to get a snapshot of project configuration static data.
+  - It returns an `OptimizelyConfig` instance which includes a datafile revision number, all experiments, and feature flags mapped by their key values.
+  - For more details, refer to our documentation page: [https://docs.developers.optimizely.com/full-stack/docs/optimizelyconfig-php](https://docs.developers.optimizely.com/full-stack/docs/optimizelyconfig-php).
+
 ## 3.2.0
 August 28th, 2019
 
diff --git a/src/Optimizely/Event/Builder/EventBuilder.php b/src/Optimizely/Event/Builder/EventBuilder.php
index c531f7ec..7300d26e 100644
--- a/src/Optimizely/Event/Builder/EventBuilder.php
+++ b/src/Optimizely/Event/Builder/EventBuilder.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright 2016-2019, Optimizely
+ * Copyright 2016-2020, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -38,7 +38,7 @@ class EventBuilder
     /**
      * @const string Version of the Optimizely PHP SDK.
      */
-    const SDK_VERSION = '3.2.0';
+    const SDK_VERSION = '3.3.0';
 
     /**
      * @var string URL to send event to.
diff --git a/tests/EventTests/EventBuilderTest.php b/tests/EventTests/EventBuilderTest.php
index 138908c4..26100659 100644
--- a/tests/EventTests/EventBuilderTest.php
+++ b/tests/EventTests/EventBuilderTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright 2016-2019, Optimizely
+ * Copyright 2016-2020, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -68,7 +68,7 @@ public function setUp()
                 ]],
                 'revision' => '15',
                 'client_name' => 'php-sdk',
-                'client_version' => '3.2.0',
+                'client_version' => '3.3.0',
                 'anonymize_ip'=> false,
                 'enrich_decisions' => true,
             ];