diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@
 
 Output:
 ```
-fromList ["Val error against uniqueItems True for: Array (fromList [String \"foo\",String \"foo\"])"]
+Left (fromList ["Val error against uniqueItems True for: Array (fromList [String \"foo\",String \"foo\"])"])
 ```
 
 
diff --git a/hjsonschema.cabal b/hjsonschema.cabal
--- a/hjsonschema.cabal
+++ b/hjsonschema.cabal
@@ -1,5 +1,5 @@
 name:                   hjsonschema
-version:                0.6.0.0
+version:                0.6.0.1
 synopsis:               JSON Schema Draft 4 library
 homepage:               https://github.com/seagreen/hjsonschema
 license:                MIT
@@ -26,7 +26,7 @@
   default-extensions:   OverloadedStrings
   other-extensions:     TemplateHaskell
   ghc-options:          -Wall
-  build-depends:        aeson                >= 0.7   && < 0.9
+  build-depends:        aeson                >= 0.7   && < 0.10
                       , base                 >= 4.6   && < 4.9
                       , bytestring           >= 0.10  && < 0.11
                       , file-embed           >= 0.0.8 && < 0.0.9