diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Changes in 1.0.0.1
+
+  * GHC 8.6 compatibility
+
+Changes in 1.0.0.0
+
+  * Compatibility with fixed-vector-1.0
 Changes in 0.6.0.0
 
   * Initial release
diff --git a/Data/Vector/Fixed/Instances/Binary.hs b/Data/Vector/Fixed/Instances/Binary.hs
--- a/Data/Vector/Fixed/Instances/Binary.hs
+++ b/Data/Vector/Fixed/Instances/Binary.hs
@@ -1,5 +1,6 @@
-{-# LANGUAGE FlexibleContexts #-}
-{-# LANGUAGE TypeFamilies     #-}
+{-# LANGUAGE FlexibleContexts     #-}
+{-# LANGUAGE TypeFamilies         #-}
+{-# LANGUAGE UndecidableInstances #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 -- | Module with binary instances for data types defined in fixed
 --   vector
diff --git a/fixed-vector-binary.cabal b/fixed-vector-binary.cabal
--- a/fixed-vector-binary.cabal
+++ b/fixed-vector-binary.cabal
@@ -1,5 +1,5 @@
 Name:           fixed-vector-binary
-Version:        1.0.0.0
+Version:        1.0.0.1
 Synopsis:       Binary instances for fixed-vector
 Description:
   Binary instances for fixed-vector