diff --git a/trino-client.gemspec b/trino-client.gemspec
index cfc744ed..8d9700f6 100644
--- a/trino-client.gemspec
+++ b/trino-client.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |gem|
   gem.add_dependency "msgpack", [">= 0.7.0"]
 
   gem.add_development_dependency "rake", [">= 0.9.2", "< 11.0"]
-  gem.add_development_dependency "rspec", ["~> 2.13.0"]
+  gem.add_development_dependency "rspec", "~> 3.12.0"
   gem.add_development_dependency "webmock", ["~> 3.0"]
   gem.add_development_dependency "addressable", "~> 2.8.1" # 2.5.0 doesn't support Ruby 1.9.3
   gem.add_development_dependency "simplecov", "~> 0.22.0"