diff --git a/json-assertions.cabal b/json-assertions.cabal
--- a/json-assertions.cabal
+++ b/json-assertions.cabal
@@ -1,5 +1,5 @@
 name: json-assertions
-version: 1.0.0
+version: 1.0.1
 synopsis: Test that your (Aeson) JSON encoding matches your expectations
 homepage: http://github.com/ocharles/json-assertions.git
 license: BSD3
@@ -14,12 +14,11 @@
 library
   exposed-modules:     Test.JSON.Assertions
   build-depends:
-    aeson >= 0.6,
+    aeson >= 0.7 && < 0.8,
     base >= 4.5 && < 5,
     indexed >= 0.1,
     indexed-free >= 0.3,
-    lens >= 3.10,
-    lens-aeson >= 0.1.2,
+    lens >= 4.0 && < 4.1,
     text >= 0.11.3.1
   hs-source-dirs:      src
   default-language:    Haskell2010
diff --git a/src/Test/JSON/Assertions.hs b/src/Test/JSON/Assertions.hs
--- a/src/Test/JSON/Assertions.hs
+++ b/src/Test/JSON/Assertions.hs
@@ -62,8 +62,8 @@
 import Data.Monoid (First)
 
 import qualified Control.Lens as Lens
-import qualified Control.Lens.Aeson as Aeson
 import qualified Data.Aeson as Aeson
+import qualified Data.Aeson.Lens as Aeson
 import qualified Data.Text as Text
 
 --------------------------------------------------------------------------------
@@ -136,13 +136,13 @@
 -- if all assertions were satisfied.
 testJSON :: Aeson.ToJSON i => JSONTest i j a -> i -> [String]
 testJSON tests env = go tests (Aeson.toJSON env) env "subject"
- 
+
  where
 
   go :: JSONTest i j a -> Aeson.Value -> i -> String -> [String]
- 
+
   go (Pure _) _ _ _ = []
- 
+
   go (Free (Key keyS f k)) actual expected descr =
     tryLens (Aeson.key (Text.pack keyS)) f actual expected k $
       descr ++ "[\"" ++ keyS ++ "\"]"