diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,2 +1,5 @@
+- 0.6.0.1
+  - Fix envy compliation issue. Bump envy bounds.
+
 - 0.6.0.0
   - #4 Update to latest version of `envy` and `postgres-options`.
diff --git a/postgresql-simple-opts.cabal b/postgresql-simple-opts.cabal
--- a/postgresql-simple-opts.cabal
+++ b/postgresql-simple-opts.cabal
@@ -1,5 +1,5 @@
 name:                postgresql-simple-opts
-version:             0.6.0.0
+version:             0.6.0.1
 synopsis:            An optparse-applicative and envy parser for postgres options
 description:         An optparse-applicative and envy parser for postgres options. See README.md
 homepage:            https://github.com/jfischoff/postgresql-simple-opts#readme
@@ -31,7 +31,7 @@
                , uri-bytestring
                , generic-deriving
                , postgres-options >= 0.2.0.0
-               , envy
+               , envy >= 2.1.0.0
   default-language:    Haskell2010
   ghc-options: -Wall
                -fno-warn-unused-do-bind
diff --git a/src/Database/PostgreSQL/Simple/PartialOptions/Internal.hs b/src/Database/PostgreSQL/Simple/PartialOptions/Internal.hs
--- a/src/Database/PostgreSQL/Simple/PartialOptions/Internal.hs
+++ b/src/Database/PostgreSQL/Simple/PartialOptions/Internal.hs
@@ -1,7 +1,6 @@
 {-| A resuable optparse-applicative parser for creating a postgresql-simple
    'Connection'
 -}
-{-# OPTIONS_GHC -fno-warn-orphans #-}
 {-# LANGUAGE RecordWildCards, LambdaCase, DeriveGeneric, DeriveDataTypeable #-}
 {-# LANGUAGE CPP, GADTs, OverloadedStrings, StandaloneDeriving, GeneralizedNewtypeDeriving #-}
 
@@ -110,8 +109,6 @@
     , "PGGSSLIB"          .= gsslib
     , "PGSERVICE"         .= service
     ]
-
-deriving instance (Var a, Typeable a) => Var (Last a)
 
 instance DefConfig PartialOptions where
   defConfig = mempty