diff --git a/solga.cabal b/solga.cabal
--- a/solga.cabal
+++ b/solga.cabal
@@ -1,5 +1,5 @@
 name:                solga
-version:             0.1.0.1
+version:             0.1.0.2
 synopsis:            Simple typesafe web routing
 description:         A library for easily specifying web APIs and implementing them in a type-safe way.
 license:             MIT
@@ -21,7 +21,7 @@
                        wai,
                        bytestring,
                        containers,
-                       aeson,
+                       aeson >= 1.0.0.0,
                        wai-extra,
                        http-types,
                        resourcet,
diff --git a/src/Solga.hs b/src/Solga.hs
--- a/src/Solga.hs
+++ b/src/Solga.hs
@@ -205,7 +205,7 @@
 
 instance Aeson.ToJSON a => Router (JSON a) where
   tryRoute _ = Just $ \json cont ->
-    cont $ Wai.responseBuilder HTTP.status200 headers $ Aeson.encodeToBuilder $ Aeson.toJSON $ jsonResponse json
+    cont $ Wai.responseBuilder HTTP.status200 headers $ Aeson.fromEncoding $ Aeson.toEncoding $ jsonResponse json
       where headers = [ ( HTTP.hContentType, "application/json" ) ]
 
 -- | Set extra headers on responses.