diff --git a/echo_common.gemspec b/echo_common.gemspec
index 539583a..b7d8dd2 100644
--- a/echo_common.gemspec
+++ b/echo_common.gemspec
@@ -31,7 +31,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "hanami-utils", "~> 0.8.0"
   spec.add_dependency "jwt", "~> 2"
   spec.add_dependency "database_cleaner", ">= 1.5.1", "< 1.9.0"
-  spec.add_dependency "rack-test", ">= 0.6.3", "< 1.2.0"
+  spec.add_dependency "rack-test", ">= 0.6.3", "< 2.1.0"
 
   spec.add_development_dependency "bundler", "~> 1.10"
   spec.add_development_dependency "rspec"