diff --git a/datadog_notifier.gemspec b/datadog_notifier.gemspec
index cbc67f9..1ce2cd6 100644
--- a/datadog_notifier.gemspec
+++ b/datadog_notifier.gemspec
@@ -15,7 +15,7 @@ Gem::Specification.new do |spec|
   spec.homepage      = 'https://github.com/patterninc/datadog_notifier'
   spec.license       = 'MIT'
 
-  spec.add_dependency 'ddtrace', '>= 1.13.0'
+  spec.add_dependency 'datadog', '~> 2.0'
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
@@ -25,7 +25,7 @@ Gem::Specification.new do |spec|
   spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
-  spec.required_ruby_version = '>= 2.7.0'
+  spec.required_ruby_version = ['>= 2.7.0', '< 4.0']
 
   spec.add_development_dependency 'bundler', '~> 2.4.22'
   spec.add_development_dependency 'rake', '~> 13.0'
diff --git a/lib/datadog_notifier/version.rb b/lib/datadog_notifier/version.rb
index 97ba923..bb17f89 100644
--- a/lib/datadog_notifier/version.rb
+++ b/lib/datadog_notifier/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 class DatadogNotifier
-  VERSION = '1.0.4'
+  VERSION = '1.0.5'
 end