diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.3.0.6 - 2015-05-31
+
+- Bump upper bounds: Allow aeson-0.9 and syb-0.5
+
 # 0.3.0.5 - 2015-05-11
 
 - Bump upper bound of attoparsec
diff --git a/aeson-schema.cabal b/aeson-schema.cabal
--- a/aeson-schema.cabal
+++ b/aeson-schema.cabal
@@ -1,5 +1,5 @@
 name:                aeson-schema
-version:             0.3.0.5
+version:             0.3.0.6
 synopsis:            Haskell JSON schema validator and parser generator
 description:         This library provides validation of JSON values against schemata. Given a schema, it can also produce data types corresponding to the schema and a parser.
 homepage:            https://github.com/timjb/aeson-schema
@@ -32,7 +32,7 @@
                        Data.Aeson.TH.Lift
   extensions:          OverloadedStrings
   build-depends:       base > 4 && < 5,
-                       aeson >= 0.8.0.0 && < 0.9,
+                       aeson >= 0.8.0.0 && < 0.10,
                        vector >= 0.10 && < 0.11,
                        text >= 1.2 && < 1.3,
                        regex-pcre >= 0.94.4 && < 0.95,
@@ -44,7 +44,7 @@
                        mtl >= 2 && < 3,
                        transformers >= 0.3.0.0 && < 0.5,
                        QuickCheck >= 2.4.2 && < 2.9,
-                       syb >= 0.4.4 && < 0.5,
+                       syb >= 0.4.4 && < 0.6,
                        bytestring >= 0.9.2.1 && < 0.11,
                        scientific >= 0.3.3.7 && < 0.4,
                        ghc-prim,