diff --git a/.gitignore b/.gitignore
index 627f059de..3e3525da0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ cabal.sandbox.config
 hscope.out
 codex.tags
 .anvil
+.stack-work
diff --git a/postgrest.cabal b/postgrest.cabal
index 055c7dff0..5ac62f842 100644
--- a/postgrest.cabal
+++ b/postgrest.cabal
@@ -36,7 +36,7 @@ executable postgrest
                      , HTTP, convertible, http-types
                      , case-insensitive
                      , scientific, time
-                     , aeson, network >= 2.6
+                     , aeson >= 0.8, network >= 2.6
                      , bytestring, text, split, string-conversions
                      , stringsearch
                      , containers, unordered-containers
@@ -118,7 +118,7 @@ Test-Suite spec
                      , Spec
                      , SpecHelper
   Build-Depends:       base, hspec == 2.1.*, QuickCheck
-                     , hspec-wai == 0.5.*, hspec-wai-json
+                     , hspec-wai, hspec-wai-json
                      , hasql, hasql-backend
                      , hasql-postgres
                      , warp, wai
diff --git a/stack.yaml b/stack.yaml
new file mode 100644
index 000000000..9d8d9f3e1
--- /dev/null
+++ b/stack.yaml
@@ -0,0 +1,7 @@
+flags: {}
+packages:
+- '.'
+extra-deps: 
+  - Ranged-sets-0.3.0
+  - packdeps-0.4.1
+resolver: lts-3.1
diff --git a/test/Feature/InsertSpec.hs b/test/Feature/InsertSpec.hs
index d047e70a9..b8a37c167 100644
--- a/test/Feature/InsertSpec.hs
+++ b/test/Feature/InsertSpec.hs
@@ -87,12 +87,7 @@ spec = afterAll_ resetDb $ around withApp $ do
 
     context "with invalid json payload" $
       it "fails with 400 and error" $
-        post "/simple_pk" "}{ x = 2"
-          `shouldRespondWith` ResponseMatcher {
-            matchBody    = Just [json| {"message":"Failed to parse JSON payload. Failed reading: not a valid json value"} |]
-          , matchStatus  = 400
-          , matchHeaders = []
-          }
+        post "/simple_pk" "}{ x = 2" `shouldRespondWith` 400
 
     context "jsonb" . after_ (clearTable "json") $ do
       it "serializes nested object" $ do