diff --git a/Gemfile b/Gemfile
index 964756a..79d9a0c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,5 +2,5 @@ source "https://rubygems.org"
 
 # Specify your gem's dependencies in bing_ads_ruby_sdk.gemspec
 gemspec
-ruby ">= 3"
+
 gem "standard", "1.31.1"
diff --git a/bing_ads_ruby_sdk.gemspec b/bing_ads_ruby_sdk.gemspec
index 24c24b1..5e2836b 100644
--- a/bing_ads_ruby_sdk.gemspec
+++ b/bing_ads_ruby_sdk.gemspec
@@ -4,7 +4,7 @@ require "bing_ads_ruby_sdk/version"
 
 Gem::Specification.new do |spec|
   spec.name = "bing_ads_ruby_sdk"
-  spec.required_ruby_version = ">= 2.3"
+  spec.required_ruby_version = ">= 3"
 
   spec.version = BingAdsRubySdk::VERSION
   spec.authors = %w[Effilab developers]
diff --git a/lib/bing_ads_ruby_sdk/version.rb b/lib/bing_ads_ruby_sdk/version.rb
index 15b5ae1..b909823 100644
--- a/lib/bing_ads_ruby_sdk/version.rb
+++ b/lib/bing_ads_ruby_sdk/version.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
 module BingAdsRubySdk
-  VERSION = "1.5.2"
+  VERSION = "1.6"
   DEFAULT_SDK_VERSION = :v13
 end