diff --git a/.gitignore b/.gitignore
index 8b31bf829..8fb41ab79 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 # ref: https://github.com/github/gitignore/blob/master/Composer.gitignore
-.idea/
+
 composer.phar
 /vendor/
 /.openapi-generator/
diff --git a/composer.json b/composer.json
index 391d16fcc..05c8e2541 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "ext-json": "*",
         "ext-mbstring": "*",
         "guzzlehttp/guzzle": "^6.0|^7.0",
-        "phpoffice/phpspreadsheet": "^1.19",
+        "phpoffice/phpspreadsheet": "^1.18",
         "aws/aws-sdk-php": "^3.185"
     },
     "require-dev": {
diff --git a/lib/Configuration.php b/lib/Configuration.php
index f90b97934..b57401c5e 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -55,7 +55,7 @@ class Configuration
      *
      * @var string
      */
-    protected $userAgent = 'jlevers/selling-partner-api/4.2.2 (Language=PHP)';
+    protected $userAgent = 'jlevers/selling-partner-api/4.2.3 (Language=PHP)';
 
     /**
      * Debug switch (default set to false)
@@ -411,7 +411,7 @@ public static function toDebugReport(?string $tempFolderPath = null)
         $report .= '    OS: ' . php_uname() . PHP_EOL;
         $report .= '    PHP Version: ' . PHP_VERSION . PHP_EOL;
         $report .= '    The version of the OpenAPI document: 2020-11-01' . PHP_EOL;
-        $report .= '    SDK Package Version: 4.2.2' . PHP_EOL;
+        $report .= '    SDK Package Version: 4.2.3' . PHP_EOL;
         $report .= '    Temp Folder Path: ' . $tempFolderPath . PHP_EOL;
 
         return $report;