diff --git a/.openapi-generator/VERSION b/.openapi-generator/VERSION
index 971ecb2..6328c54 100644
--- a/.openapi-generator/VERSION
+++ b/.openapi-generator/VERSION
@@ -1 +1 @@
-7.16.0
+7.17.0
diff --git a/docs/Api/AuthApi.md b/docs/Api/AuthApi.md
index 8d2af65..4f73d24 100644
--- a/docs/Api/AuthApi.md
+++ b/docs/Api/AuthApi.md
@@ -1,5 +1,7 @@
 # Gopad\AuthApi
 
+
+
 All URIs are relative to https://try.gopad.eu/api/v1, except if the operation defines another base path.
 
 | Method | HTTP request | Description |
diff --git a/docs/Api/GroupApi.md b/docs/Api/GroupApi.md
index a04b000..0614060 100644
--- a/docs/Api/GroupApi.md
+++ b/docs/Api/GroupApi.md
@@ -1,5 +1,7 @@
 # Gopad\GroupApi
 
+
+
 All URIs are relative to https://try.gopad.eu/api/v1, except if the operation defines another base path.
 
 | Method | HTTP request | Description |
diff --git a/docs/Api/ProfileApi.md b/docs/Api/ProfileApi.md
index 1cb0037..ad3facc 100644
--- a/docs/Api/ProfileApi.md
+++ b/docs/Api/ProfileApi.md
@@ -1,5 +1,7 @@
 # Gopad\ProfileApi
 
+
+
 All URIs are relative to https://try.gopad.eu/api/v1, except if the operation defines another base path.
 
 | Method | HTTP request | Description |
diff --git a/docs/Api/UserApi.md b/docs/Api/UserApi.md
index c7f431c..174dda0 100644
--- a/docs/Api/UserApi.md
+++ b/docs/Api/UserApi.md
@@ -1,5 +1,7 @@
 # Gopad\UserApi
 
+
+
 All URIs are relative to https://try.gopad.eu/api/v1, except if the operation defines another base path.
 
 | Method | HTTP request | Description |
diff --git a/lib/Api/AuthApi.php b/lib/Api/AuthApi.php
index 4853a97..e4858cd 100644
--- a/lib/Api/AuthApi.php
+++ b/lib/Api/AuthApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
@@ -2126,6 +2126,14 @@ protected function createHttpClientOption()
             }
         }
 
+        if ($this->config->getCertFile()) {
+            $options[RequestOptions::CERT] = $this->config->getCertFile();
+        }
+
+        if ($this->config->getKeyFile()) {
+            $options[RequestOptions::SSL_KEY] = $this->config->getKeyFile();
+        }
+
         return $options;
     }
 
diff --git a/lib/Api/GroupApi.php b/lib/Api/GroupApi.php
index 6e6c098..4fb0f4b 100644
--- a/lib/Api/GroupApi.php
+++ b/lib/Api/GroupApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
@@ -3432,6 +3432,14 @@ protected function createHttpClientOption()
             }
         }
 
+        if ($this->config->getCertFile()) {
+            $options[RequestOptions::CERT] = $this->config->getCertFile();
+        }
+
+        if ($this->config->getKeyFile()) {
+            $options[RequestOptions::SSL_KEY] = $this->config->getKeyFile();
+        }
+
         return $options;
     }
 
diff --git a/lib/Api/ProfileApi.php b/lib/Api/ProfileApi.php
index 0d9997a..1da116b 100644
--- a/lib/Api/ProfileApi.php
+++ b/lib/Api/ProfileApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
@@ -1062,6 +1062,14 @@ protected function createHttpClientOption()
             }
         }
 
+        if ($this->config->getCertFile()) {
+            $options[RequestOptions::CERT] = $this->config->getCertFile();
+        }
+
+        if ($this->config->getKeyFile()) {
+            $options[RequestOptions::SSL_KEY] = $this->config->getKeyFile();
+        }
+
         return $options;
     }
 
diff --git a/lib/Api/UserApi.php b/lib/Api/UserApi.php
index 1c00d01..dd89009 100644
--- a/lib/Api/UserApi.php
+++ b/lib/Api/UserApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
@@ -3432,6 +3432,14 @@ protected function createHttpClientOption()
             }
         }
 
+        if ($this->config->getCertFile()) {
+            $options[RequestOptions::CERT] = $this->config->getCertFile();
+        }
+
+        if ($this->config->getKeyFile()) {
+            $options[RequestOptions::SSL_KEY] = $this->config->getKeyFile();
+        }
+
         return $options;
     }
 
diff --git a/lib/ApiException.php b/lib/ApiException.php
index be651c4..1337a0e 100644
--- a/lib/ApiException.php
+++ b/lib/ApiException.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Configuration.php b/lib/Configuration.php
index bf68522..7ee2fc0 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
@@ -124,6 +124,20 @@ class Configuration
      */
     protected $tempFolderPath;
 
+    /**
+     * Path to a certificate file, for mTLS
+     *
+     * @var string
+     */
+    protected $certFile;
+
+    /**
+     * Path to a key file, for mTLS
+     *
+     * @var string
+     */
+    protected $keyFile;
+
     /**
      * Constructor
      */
@@ -397,6 +411,49 @@ public function getTempFolderPath()
         return $this->tempFolderPath;
     }
 
+    /**
+     * Sets the certificate file path, for mTLS
+     *
+     * @return $this
+     */
+     public function setCertFile($certFile)
+     {
+        $this->certFile = $certFile;
+        return $this;
+     }
+
+    /**
+     * Gets the certificate file path, for mTLS
+     *
+     * @return string Certificate file path
+     */
+    public function getCertFile()
+    {
+        return $this->certFile;
+    }
+
+    /**
+     * Sets the certificate key path, for mTLS
+     *
+     * @return $this
+     */
+     public function setKeyFile($keyFile)
+     {
+        $this->keyFile = $keyFile;
+        return $this;
+     }
+
+    /**
+     * Gets the certificate key path, for mTLS
+     *
+     * @return string Certificate key path
+     */
+    public function getKeyFile()
+    {
+        return $this->keyFile;
+    }
+    
+
     /**
      * Gets the default configuration instance
      *
diff --git a/lib/FormDataProcessor.php b/lib/FormDataProcessor.php
index 9bcdc96..a1ff6c4 100644
--- a/lib/FormDataProcessor.php
+++ b/lib/FormDataProcessor.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/HeaderSelector.php b/lib/HeaderSelector.php
index 94d5303..b4c88df 100644
--- a/lib/HeaderSelector.php
+++ b/lib/HeaderSelector.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/AuthToken.php b/lib/Model/AuthToken.php
index eb25713..c204382 100644
--- a/lib/Model/AuthToken.php
+++ b/lib/Model/AuthToken.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/AuthVerify.php b/lib/Model/AuthVerify.php
index e995a6a..73d896b 100644
--- a/lib/Model/AuthVerify.php
+++ b/lib/Model/AuthVerify.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/CreateGroupRequest.php b/lib/Model/CreateGroupRequest.php
index dc86afe..43fc5fb 100644
--- a/lib/Model/CreateGroupRequest.php
+++ b/lib/Model/CreateGroupRequest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/CreateUserRequest.php b/lib/Model/CreateUserRequest.php
index 27d731d..8abdbdd 100644
--- a/lib/Model/CreateUserRequest.php
+++ b/lib/Model/CreateUserRequest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/DeleteGroupFromUserRequest.php b/lib/Model/DeleteGroupFromUserRequest.php
index 5352cfe..a729ed1 100644
--- a/lib/Model/DeleteGroupFromUserRequest.php
+++ b/lib/Model/DeleteGroupFromUserRequest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/DeleteUserFromGroupRequest.php b/lib/Model/DeleteUserFromGroupRequest.php
index 1c11381..17da158 100644
--- a/lib/Model/DeleteUserFromGroupRequest.php
+++ b/lib/Model/DeleteUserFromGroupRequest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/Group.php b/lib/Model/Group.php
index c3a679b..ed00c5e 100644
--- a/lib/Model/Group.php
+++ b/lib/Model/Group.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/ListGroupUsers200Response.php b/lib/Model/ListGroupUsers200Response.php
index 3343fd9..3ddb74e 100644
--- a/lib/Model/ListGroupUsers200Response.php
+++ b/lib/Model/ListGroupUsers200Response.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/ListGroups200Response.php b/lib/Model/ListGroups200Response.php
index 9702b55..2990033 100644
--- a/lib/Model/ListGroups200Response.php
+++ b/lib/Model/ListGroups200Response.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/ListProviders200Response.php b/lib/Model/ListProviders200Response.php
index b0deee9..ee68654 100644
--- a/lib/Model/ListProviders200Response.php
+++ b/lib/Model/ListProviders200Response.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/ListUserGroups200Response.php b/lib/Model/ListUserGroups200Response.php
index 0f9b806..367a8df 100644
--- a/lib/Model/ListUserGroups200Response.php
+++ b/lib/Model/ListUserGroups200Response.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/ListUsers200Response.php b/lib/Model/ListUsers200Response.php
index 31c1b24..56cb122 100644
--- a/lib/Model/ListUsers200Response.php
+++ b/lib/Model/ListUsers200Response.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/LoginAuthRequest.php b/lib/Model/LoginAuthRequest.php
index b188b0c..37e16f6 100644
--- a/lib/Model/LoginAuthRequest.php
+++ b/lib/Model/LoginAuthRequest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/ModelInterface.php b/lib/Model/ModelInterface.php
index e64535f..73f2c44 100644
--- a/lib/Model/ModelInterface.php
+++ b/lib/Model/ModelInterface.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/Notification.php b/lib/Model/Notification.php
index 9dfbdd3..032b304 100644
--- a/lib/Model/Notification.php
+++ b/lib/Model/Notification.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/PermitGroupUserRequest.php b/lib/Model/PermitGroupUserRequest.php
index d6cd371..d6b44aa 100644
--- a/lib/Model/PermitGroupUserRequest.php
+++ b/lib/Model/PermitGroupUserRequest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/PermitUserGroupRequest.php b/lib/Model/PermitUserGroupRequest.php
index 96ad2c6..0c11711 100644
--- a/lib/Model/PermitUserGroupRequest.php
+++ b/lib/Model/PermitUserGroupRequest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/Profile.php b/lib/Model/Profile.php
index 9c7057a..1b3edf3 100644
--- a/lib/Model/Profile.php
+++ b/lib/Model/Profile.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/Provider.php b/lib/Model/Provider.php
index 509e72a..832a611 100644
--- a/lib/Model/Provider.php
+++ b/lib/Model/Provider.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/RedirectAuthRequest.php b/lib/Model/RedirectAuthRequest.php
index 6620d92..161fc99 100644
--- a/lib/Model/RedirectAuthRequest.php
+++ b/lib/Model/RedirectAuthRequest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/UpdateProfileRequest.php b/lib/Model/UpdateProfileRequest.php
index ea2e243..0433c55 100644
--- a/lib/Model/UpdateProfileRequest.php
+++ b/lib/Model/UpdateProfileRequest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/UpdateUserRequest.php b/lib/Model/UpdateUserRequest.php
index 261e1d1..b1a3b0e 100644
--- a/lib/Model/UpdateUserRequest.php
+++ b/lib/Model/UpdateUserRequest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/User.php b/lib/Model/User.php
index 93943d5..5912a0e 100644
--- a/lib/Model/User.php
+++ b/lib/Model/User.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/UserAuth.php b/lib/Model/UserAuth.php
index 8289a14..0103e5b 100644
--- a/lib/Model/UserAuth.php
+++ b/lib/Model/UserAuth.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/UserGroup.php b/lib/Model/UserGroup.php
index c9aa19d..6606bb7 100644
--- a/lib/Model/UserGroup.php
+++ b/lib/Model/UserGroup.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/Model/Validation.php b/lib/Model/Validation.php
index 4f3c389..e7c4470 100644
--- a/lib/Model/Validation.php
+++ b/lib/Model/Validation.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
diff --git a/lib/ObjectSerializer.php b/lib/ObjectSerializer.php
index 6e61a8d..6b4f41a 100644
--- a/lib/ObjectSerializer.php
+++ b/lib/ObjectSerializer.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0-alpha1
  * Contact: gopad@webhippie.de
  * Generated by: https://openapi-generator.tech
- * Generator version: 7.16.0
+ * Generator version: 7.17.0
  */
 
 /**
@@ -595,6 +595,6 @@ public static function buildQuery(array $params, $encoding = PHP_QUERY_RFC3986):
             }
         }
 
-        return $qs ? (string) substr($qs, 0, -1) : '';
+        return $qs ? substr($qs, 0, -1) : '';
     }
 }