diff --git a/lib/brevo/api_client.rb b/lib/brevo/api_client.rb
index 6c98f11..a556bc8 100644
--- a/lib/brevo/api_client.rb
+++ b/lib/brevo/api_client.rb
@@ -1,7 +1,7 @@
 =begin
 #Brevo API
 
-#Brevo provide a RESTFul API that can be used with any languages. With this API, you will be able to :   - Manage your campaigns and get the statistics   - Manage your contacts   - Send transactional Emails and SMS   - and much more...  You can download our wrappers at https://github.com/orgs/brevo  **Possible responses**   | Code | Message |   | :-------------: | ------------- |   | 200  | OK. Successful Request  |   | 201  | OK. Successful Creation |   | 202  | OK. Request accepted |   | 204  | OK. Successful Update/Deletion  |   | 400  | Error. Bad Request  |   | 401  | Error. Authentication Needed  |   | 402  | Error. Not enough credit, plan upgrade needed  |   | 403  | Error. Permission denied  |   | 404  | Error. Object does not exist |   | 405  | Error. Method not allowed  |   | 406  | Error. Not Acceptable  |   | 422  | Error. Unprocessable Entity | 
+#Brevo provide a RESTFul API that can be used with any languages. With this API, you will be able to :   - Manage your campaigns and get the statistics   - Manage your contacts   - Send transactional Emails and SMS   - and much more...  You can download our wrappers at https://github.com/orgs/brevo  **Possible responses**   | Code | Message |   | :-------------: | ------------- |   | 200  | OK. Successful Request  |   | 201  | OK. Successful Creation |   | 202  | OK. Request accepted |   | 204  | OK. Successful Update/Deletion  |   | 400  | Error. Bad Request  |   | 401  | Error. Authentication Needed  |   | 402  | Error. Not enough credit, plan upgrade needed  |   | 403  | Error. Permission denied  |   | 404  | Error. Object does not exist |   | 405  | Error. Method not allowed  |   | 406  | Error. Not Acceptable  |   | 422  | Error. Unprocessable Entity |
 
 OpenAPI spec version: 3.0.0
 Contact: contact@brevo.com
@@ -118,6 +118,9 @@ def build_request(http_method, path, opts = {})
       # set custom cert, if provided
       req_opts[:cainfo] = @config.ssl_ca_cert if @config.ssl_ca_cert
 
+      # restrict SSL ciphers if provided
+      req_opts[:ssl_cipher_list] = @config.ssl_cipher_list if @config.ssl_cipher_list
+
       if [:post, :patch, :put, :delete].include?(http_method)
         req_body = build_request_body(header_params, form_params, opts[:body])
         req_opts.update :body => req_body
diff --git a/lib/brevo/configuration.rb b/lib/brevo/configuration.rb
index a2572b0..1b251a3 100644
--- a/lib/brevo/configuration.rb
+++ b/lib/brevo/configuration.rb
@@ -1,7 +1,7 @@
 =begin
 #Brevo API
 
-#Brevo provide a RESTFul API that can be used with any languages. With this API, you will be able to :   - Manage your campaigns and get the statistics   - Manage your contacts   - Send transactional Emails and SMS   - and much more...  You can download our wrappers at https://github.com/orgs/brevo  **Possible responses**   | Code | Message |   | :-------------: | ------------- |   | 200  | OK. Successful Request  |   | 201  | OK. Successful Creation |   | 202  | OK. Request accepted |   | 204  | OK. Successful Update/Deletion  |   | 400  | Error. Bad Request  |   | 401  | Error. Authentication Needed  |   | 402  | Error. Not enough credit, plan upgrade needed  |   | 403  | Error. Permission denied  |   | 404  | Error. Object does not exist |   | 405  | Error. Method not allowed  |   | 406  | Error. Not Acceptable  |   | 422  | Error. Unprocessable Entity | 
+#Brevo provide a RESTFul API that can be used with any languages. With this API, you will be able to :   - Manage your campaigns and get the statistics   - Manage your contacts   - Send transactional Emails and SMS   - and much more...  You can download our wrappers at https://github.com/orgs/brevo  **Possible responses**   | Code | Message |   | :-------------: | ------------- |   | 200  | OK. Successful Request  |   | 201  | OK. Successful Creation |   | 202  | OK. Request accepted |   | 204  | OK. Successful Update/Deletion  |   | 400  | Error. Bad Request  |   | 401  | Error. Authentication Needed  |   | 402  | Error. Not enough credit, plan upgrade needed  |   | 403  | Error. Permission denied  |   | 404  | Error. Object does not exist |   | 405  | Error. Method not allowed  |   | 406  | Error. Not Acceptable  |   | 422  | Error. Unprocessable Entity |
 
 OpenAPI spec version: 3.0.0
 Contact: contact@brevo.com
@@ -108,6 +108,14 @@ class Configuration
     # https://github.com/typhoeus/typhoeus/blob/master/lib/typhoeus/easy_factory.rb#L145
     attr_accessor :ssl_ca_cert
 
+    ### TLS/SSL setting
+    # Set this to restrict the SSL ciphers.
+    # Disabled by default.
+    #
+    # @example
+    #   config.ssl_cipher_list = "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256"
+    attr_accessor :ssl_cipher_list
+
     ### TLS/SSL setting
     # Client certificate file (for client certificate)
     attr_accessor :cert_file
@@ -137,6 +145,7 @@ def initialize
       @client_side_validation = true
       @verify_ssl = true
       @verify_ssl_host = true
+      @ssl_cipher_list = nil
       @params_encoding = nil
       @cert_file = nil
       @key_file = nil