diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+#### 1.14.0.1
+
+* Allow `aeson 0.9.*`
+
 ## 1.14
 
 * Switch XML serialization from `regular` (`regular-xmlpickler`) to
diff --git a/rest-types.cabal b/rest-types.cabal
--- a/rest-types.cabal
+++ b/rest-types.cabal
@@ -1,5 +1,5 @@
 name:                rest-types
-version:             1.14
+version:             1.14.0.1
 description:         Silk Rest Framework Types
 synopsis:            Silk Rest Framework Types
 maintainer:          code@silk.co
@@ -31,15 +31,12 @@
     Rest.Types.Void
   build-depends:
       base == 4.*
-    , aeson >= 0.7 && < 0.9
+    , aeson >= 0.7 && < 0.10
     , case-insensitive >= 1.2 && < 1.3
     , generic-aeson >= 0.1 && < 0.3
     , hxt >= 9.2 && < 9.4
     , json-schema >= 0.6 && < 0.8
-    , mtl >= 2.0 && < 2.3
     , generic-xmlpickler >= 0.1.0.1 && < 0.2
     , rest-stringmap == 0.2.*
     , text >= 0.11 && < 1.3
-    , transformers >= 0.3 && < 0.5
-    , transformers-compat >= 0.3 && < 0.5
     , uuid >= 1.2 && < 1.4