--- actionpack.gemspec.orig	2017-07-13 15:04:13 UTC
+++ actionpack.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |s|
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
       s.add_runtime_dependency(%q<activesupport>.freeze, ["= 4.2.9"])
       s.add_runtime_dependency(%q<rack>.freeze, ["~> 1.6"])
-      s.add_runtime_dependency(%q<rack-test>.freeze, ["~> 0.6.2"])
+      s.add_runtime_dependency(%q<rack-test>.freeze, ["~> 0.6", ">= 0.6.2"])
       s.add_runtime_dependency(%q<rails-html-sanitizer>.freeze, [">= 1.0.2", "~> 1.0"])
       s.add_runtime_dependency(%q<rails-dom-testing>.freeze, [">= 1.0.5", "~> 1.0"])
       s.add_runtime_dependency(%q<actionview>.freeze, ["= 4.2.9"])