diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a989fec..4ba7f0f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased](https://github.com/HubSpot/hubspot-api-php/compare/1.3.1...HEAD)
+## [Unreleased](https://github.com/HubSpot/hubspot-api-php/compare/1.3.3...HEAD)
+
+## [1.3.3](https://github.com/HubSpot/hubspot-api-php/releases/tag/1.3.3) - 2020-08-25
+
+### fixed
+ - downgreate codegen to 1.3.1
+ - Fixed HubSpot/Configs
 
 ## [1.3.1](https://github.com/HubSpot/hubspot-api-php/releases/tag/1.3.1) - 2020-06-25
 
diff --git a/composer.json b/composer.json
index fa5046dc..7775e8c9 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "hubspot/api-client",
-    "version": "1.3.1",
+    "version": "1.3.3",
     "description": "Hubspot API client",
     "keywords": [
         "hubspot",
diff --git a/lib/Config.php b/lib/Config.php
index 324f1055..119d79f0 100644
--- a/lib/Config.php
+++ b/lib/Config.php
@@ -33,12 +33,9 @@ public function convertToClientConfig($clientConfigClassName)
     {
         /** @var Configuration $clientConfig */
         $clientConfig = new $clientConfigClassName();
-        if (null !== $this->apiKey) {
-            $clientConfig->setApiKey(static::API_KEY_IDENTIFIER, $this->apiKey);
-        }
-        if (null !== $this->accessToken) {
-            $clientConfig->setAccessToken($this->accessToken);
-        }
+
+        $clientConfig->setApiKey(static::API_KEY_IDENTIFIER, $this->apiKey);
+        $clientConfig->setAccessToken($this->accessToken);
 
         $clientConfig->setUserAgent($this->userAgent);