diff --git a/CHANGELOG.md b/CHANGELOG.md
index e20d753..8e9ae32 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,8 @@
 # Change Log
+## [4.61.0](https://github.com/plivo/plivo-ruby/tree/v4.61.0) (2024-09-30)
+**Feature - Adding new param support for Number Masking session with single party **
+- Added `create_session_with_single_party`, `virtual_number_cooloff_period` and `force_pin_authentication` attributes in Masking Session
+
 ## [4.60.3](https://github.com/plivo/plivo-ruby/tree/v4.60.3) (2024-09-06)
 **Feature - Adding more attribute on mdr object**
 - Added `message_sent_time`, `message_updated_time` and `error-message` on get and list Message API
diff --git a/README.md b/README.md
index 01f02fd..1da17d7 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ The Plivo Ruby SDK makes it simpler to integrate communications into your Ruby a
 Add this line to your application's Gemfile:
 
 ```ruby
-gem 'plivo', '>= 4.60.3'
+gem 'plivo', '>= 4.61.0'
 ```
 
 And then execute:
diff --git a/lib/plivo/resources/maskingsession.rb b/lib/plivo/resources/maskingsession.rb
index a8646ba..da9efb2 100644
--- a/lib/plivo/resources/maskingsession.rb
+++ b/lib/plivo/resources/maskingsession.rb
@@ -14,7 +14,7 @@ def update(options = nil)
         valid_param?(:options, options, Hash, true)
 
         params = {}
-        params_expected = %i[session_expiry call_time_limit record record_file_format recording_callback_url
+        params_expected = %i[first_party second_party session_expiry call_time_limit record record_file_format recording_callback_url
                       callback_url callback_method ring_timeout first_party_play_url second_party_play_url recording_callback_method
                       subaccount geomatch]
         params_expected.each do |param|
@@ -90,7 +90,10 @@ def to_s
           pin_retry: @pin_retry,
           pin_retry_wait: @pin_retry_wait,
           incorrect_pin_play: @incorrect_pin_play,
-          unknown_caller_play: @unknown_caller_play
+          unknown_caller_play: @unknown_caller_play,
+          force_pin_authentication: @force_pin_authentication,
+          virtual_number_cooloff_period: @virtual_number_cooloff_period,
+          create_session_with_single_party: @create_session_with_single_party
         }.to_s
       end
     end
@@ -109,18 +112,18 @@ def get(session_uuid)
         perform_get_with_response(session_uuid)
       end
 
-      def create(first_party:, second_party:, session_expiry: nil, call_time_limit: nil, record: nil, record_file_format: nil,
+      def create(first_party: nil, second_party: nil, session_expiry: nil, call_time_limit: nil, record: nil, record_file_format: nil,
                  recording_callback_url: nil, initiate_call_to_first_party: nil, callback_url: nil, callback_method: nil, ring_timeout: nil,
                  first_party_play_url: nil, second_party_play_url: nil, recording_callback_method: nil, is_pin_authentication_required: nil,
                  generate_pin: nil, generate_pin_length: nil, first_party_pin: nil, second_party_pin: nil, pin_prompt_play: nil, pin_retry: nil,
-                 pin_retry_wait: nil, incorrect_pin_play: nil, unknown_caller_play: nil, subaccount: nil, geomatch: nil)
+                 pin_retry_wait: nil, incorrect_pin_play: nil, unknown_caller_play: nil, subaccount: nil, geomatch: nil, force_pin_authentication: nil, virtual_number_cooloff_period: nil, create_session_with_single_party: nil)
 
-        valid_param?(:first_party, first_party, [String, Symbol], true)
-        valid_param?(:second_party, second_party, [String, Symbol], true)
+        valid_param?(:first_party, first_party, [String, Symbol], false)
+        valid_param?(:second_party, second_party, [String, Symbol], false)
 
         params = {}
-        params[:first_party] = first_party
-        params[:second_party] = second_party
+        params[:first_party] = first_party unless first_party.nil?
+        params[:second_party] = second_party  unless second_party.nil?
         params[:session_expiry] = session_expiry unless session_expiry.nil?
         params[:call_time_limit] = call_time_limit unless call_time_limit.nil?
         params[:record] = record unless record.nil?
@@ -145,7 +148,9 @@ def create(first_party:, second_party:, session_expiry: nil, call_time_limit: ni
         params[:unknown_caller_play] = unknown_caller_play unless unknown_caller_play.nil?
         params[:subaccount] = subaccount unless subaccount.nil?
         params[:geomatch] = geomatch unless geomatch.nil?
-
+        params[:force_pin_authentication] = force_pin_authentication unless force_pin_authentication.nil?
+        params[:virtual_number_cooloff_period] = virtual_number_cooloff_period unless virtual_number_cooloff_period.nil?
+        params[:create_session_with_single_party] = create_session_with_single_party unless create_session_with_single_party.nil?
         perform_create(params)
       end
 
diff --git a/lib/plivo/version.rb b/lib/plivo/version.rb
index e48e8fb..f59f51e 100644
--- a/lib/plivo/version.rb
+++ b/lib/plivo/version.rb
@@ -1,3 +1,3 @@
 module Plivo
-  VERSION = "4.60.3".freeze
+  VERSION = "4.61.0".freeze
 end
diff --git a/spec/resource_maskingsession_spec.rb b/spec/resource_maskingsession_spec.rb
index db88d52..dd39441 100644
--- a/spec/resource_maskingsession_spec.rb
+++ b/spec/resource_maskingsession_spec.rb
@@ -38,7 +38,10 @@ def to_json(masking_session)
       pin_retry: masking_session.pin_retry,
       pin_retry_wait: masking_session.pin_retry_wait,
       incorrect_pin_play: masking_session.incorrect_pin_play,
-      unknown_caller_play: masking_session.unknown_caller_play
+      unknown_caller_play: masking_session.unknown_caller_play,
+      force_pin_authentication: masking_session.force_pin_authentication,
+      virtual_number_cooloff_period: masking_session.virtual_number_cooloff_period,
+      create_session_with_single_party: masking_session.create_session_with_single_party,
     }.reject { |_, v| v.nil? }.to_json
   end