diff --git a/gemstash.gemspec b/gemstash.gemspec
index 02d9f16a..f3c72712 100644
--- a/gemstash.gemspec
+++ b/gemstash.gemspec
@@ -55,7 +55,7 @@ you push your own private gems as well."
   spec.add_development_dependency "citrus", "~> 3.0"
   spec.add_development_dependency "octokit", "~> 4.2"
   spec.add_development_dependency "pandoc_object_filters", "~> 0.2"
-  spec.add_development_dependency "rack-test", "~> 0.6"
+  spec.add_development_dependency "rack-test", "~> 1.1"
   spec.add_development_dependency "rake", "~> 12.3"
   spec.add_development_dependency "rspec", "~> 3.3"
   spec.add_development_dependency "rubocop", "0.49"