diff --git a/servant-server.cabal b/servant-server.cabal
--- a/servant-server.cabal
+++ b/servant-server.cabal
@@ -1,5 +1,5 @@
 name:                servant-server
-version:             0.4.1
+version:             0.4.2
 synopsis:            A family of combinators for defining webservices APIs and serving them
 description:
   A family of combinators for defining webservices APIs and serving them
@@ -40,7 +40,7 @@
     Servant.Utils.StaticFiles
   build-depends:
         base               >= 4.7  && < 5
-      , aeson              >= 0.7  && < 0.9
+      , aeson              >= 0.7  && < 0.10
       , attoparsec         >= 0.12 && < 0.14
       , bytestring         >= 0.10 && < 0.11
       , either             >= 4.3  && < 4.5
@@ -51,7 +51,7 @@
       , safe               >= 0.3  && < 0.4
       , servant            == 0.4.*
       , split              >= 0.2  && < 0.3
-      , string-conversions >= 0.3  && < 0.4
+      , string-conversions >= 0.3  && < 0.5
       , system-filepath    >= 0.4  && < 0.5
       , filepath           >= 1
       , text               >= 1.2  && < 1.3