diff --git a/rest-gen.cabal b/rest-gen.cabal
--- a/rest-gen.cabal
+++ b/rest-gen.cabal
@@ -1,5 +1,5 @@
 Name:             rest-gen
-Version:          0.9.0.3
+Version:          0.9.0.4
 Description:      Documentation and client generation from rest definition.
 Synopsis:         Documentation and client generation from rest definition.
 Maintainer:       code@silk.co
@@ -43,7 +43,7 @@
     , process                   >= 1.0     &&  < 1.2
     , regular                   == 0.3.*
     , rest-core                 == 0.27.*
-    , rest-types                == 1.9.0.1
+    , rest-types                == 1.9.*
     , safe                      >= 0.2     &&  < 0.4
     , split                     >= 0.1     &&  < 0.3
     , tagged                    >= 0.2     &&  < 0.8