diff --git a/fastlane-sirp.gemspec b/fastlane-sirp.gemspec
index db1382a..277da5b 100644
--- a/fastlane-sirp.gemspec
+++ b/fastlane-sirp.gemspec
@@ -34,9 +34,6 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  # See : https://bugs.ruby-lang.org/issues/9569
-  spec.add_runtime_dependency 'sysrandom', '~> 1.0'
-
   spec.add_development_dependency 'bundler'
   spec.add_development_dependency 'rake'
   spec.add_development_dependency 'rspec', '~> 3.4'
diff --git a/lib/fastlane-sirp.rb b/lib/fastlane-sirp.rb
index 9c973c8..076eefe 100644
--- a/lib/fastlane-sirp.rb
+++ b/lib/fastlane-sirp.rb
@@ -1,6 +1,6 @@
 require 'openssl'
 require 'digest'
-require 'sysrandom/securerandom'
+require 'securerandom'
 require 'fastlane-sirp/sirp'
 require 'fastlane-sirp/parameters'
 require 'fastlane-sirp/client'