diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # ChangeLog for http-conduit
 
+## 2.3.7
+
+* Ensure entire JSON response body is consumed [#395](https://github.com/snoyberg/http-client/issues/395)
+
 ## 2.3.6.1
 
 * Add back compatibility with older http-client version [#393](https://github.com/snoyberg/http-client/pull/393)
diff --git a/Network/HTTP/Simple.hs b/Network/HTTP/Simple.hs
--- a/Network/HTTP/Simple.hs
+++ b/Network/HTTP/Simple.hs
@@ -105,6 +105,7 @@
 import Control.Monad.Trans.Resource (MonadResource, MonadThrow)
 import qualified Control.Exception as E (bracket)
 import Data.Void (Void)
+import qualified Data.Attoparsec.ByteString as Atto
 
 -- | Perform an HTTP request and return the body as a @ByteString@.
 --
@@ -152,7 +153,8 @@
   where
     req' = addRequestHeader H.hAccept "application/json" req
     sink orig = fmap (\x -> fmap (const x) orig) $ do
-        eres1 <- C.sinkParserEither json'
+        eres1 <- C.sinkParserEither (json' <* Atto.endOfInput)
+
         case eres1 of
             Left e -> return $ Left $ JSONParseException req' orig e
             Right value ->
diff --git a/http-conduit.cabal b/http-conduit.cabal
--- a/http-conduit.cabal
+++ b/http-conduit.cabal
@@ -1,5 +1,5 @@
 name:            http-conduit
-version:         2.3.6.1
+version:         2.3.7
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -23,6 +23,7 @@
 library
     build-depends: base                  >= 4       && < 5
                  , aeson                 >= 0.8
+                 , attoparsec
                  , bytestring            >= 0.9.1.4
                  , transformers          >= 0.2
                  , resourcet             >= 1.1