diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 5ab2516..26ab176 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -49,4 +49,6 @@ RSpec.configure do |config|
   end
 
   config.before(:suite) { Dry::Monads.load_extensions :rspec }
+
+  Kernel.srand config.seed
 end