diff --git a/ivory-serialize.cabal b/ivory-serialize.cabal
--- a/ivory-serialize.cabal
+++ b/ivory-serialize.cabal
@@ -1,5 +1,5 @@
 name:                ivory-serialize
-version:             0.1.0.5
+version:             0.1.0.6
 synopsis:            Serialization library for Ivory.
 description:         Used to automatically pack and unpack Ivory structures in big or little endian.
 author:              Galois, Inc.
diff --git a/src/Ivory/Serialize/Atoms.hs b/src/Ivory/Serialize/Atoms.hs
--- a/src/Ivory/Serialize/Atoms.hs
+++ b/src/Ivory/Serialize/Atoms.hs
@@ -3,6 +3,7 @@
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TypeOperators #-}
+{-# LANGUAGE MonoLocalBinds #-}
 
 module Ivory.Serialize.Atoms
   ( serializeHeader