diff --git a/secp256k1-haskell.cabal b/secp256k1-haskell.cabal
--- a/secp256k1-haskell.cabal
+++ b/secp256k1-haskell.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           secp256k1-haskell
-version:        1.1.0
+version:        1.2.0
 synopsis:       Bindings for secp256k1
 description:    Sign and verify signatures using the secp256k1 library.
 category:       Crypto
@@ -43,8 +43,8 @@
       QuickCheck >=2.9.2 && <2.15
     , base >=4.9 && <5
     , base16 >=1.0
-    , bytestring >=0.10.8 && <0.12
-    , deepseq >=1.4.2 && <1.5
+    , bytestring >=0.10.8 && <0.13
+    , deepseq >=1.4.2 && <1.6
     , entropy >=0.3.8 && <0.5
     , hashable >=1.2.6 && <1.5
     , string-conversions ==0.4.*
@@ -68,8 +68,8 @@
     , QuickCheck >=2.9.2 && <2.15
     , base >=4.9 && <5
     , base16 >=1.0
-    , bytestring >=0.10.8 && <0.12
-    , deepseq >=1.4.2 && <1.5
+    , bytestring >=0.10.8 && <0.13
+    , deepseq >=1.4.2 && <1.6
     , entropy >=0.3.8 && <0.5
     , hashable >=1.2.6 && <1.5
     , hspec
diff --git a/src/Crypto/Secp256k1.hs b/src/Crypto/Secp256k1.hs
--- a/src/Crypto/Secp256k1.hs
+++ b/src/Crypto/Secp256k1.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE DuplicateRecordFields #-}
 -- |
 -- Module      : Crypto.Secp256k1
 -- License     : UNLICENSE