diff --git a/servant-ruby.cabal b/servant-ruby.cabal
--- a/servant-ruby.cabal
+++ b/servant-ruby.cabal
@@ -1,5 +1,5 @@
 name:                servant-ruby
-version:             0.4.0.0
+version:             0.5.0.0
 synopsis:            Generate a Ruby client from a Servant API with Net::HTTP.
 description:         Generate a Ruby client from a Servant API with Net::HTTP.
 homepage:            https://github.com/joneshf/servant-ruby#readme
@@ -31,7 +31,7 @@
   main-is:             Main.hs
   hs-source-dirs:      test
   build-depends:       base
-                     , doctest >= 0.11 && < 0.13
+                     , doctest >= 0.11 && < 0.14
                      , QuickCheck >= 2.9 && < 2.11
   default-language:    Haskell2010