Set to >= 1.6.4 rack.

Jeff Dutil · Jeff Dutil · commit 7f0ef8d1ef64 · 2017-01-19T08:16:59.000-07:00
diff --git a/aws-sessionstore-dynamodb.gemspec b/aws-sessionstore-dynamodb.gemspec
@@ -14,5 +14,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency 'aws-sdk'
-  spec.add_dependency 'rack', '~> 2.0'
+  spec.add_dependency 'rack', '>= 1.6.4'
 end
