diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,10 @@
 # Revision history for streaming-sort
 
+## 0.1.0.1 -- 2018-03-23
+
+* Remove accidental `Ord a` constraint on `withFileSortBy` in
+  `Streaming.Sort.Lifted`.
+
 ## 0.1.0.0 -- 2018-03-18
 
 * First version. Released on an unsuspecting world.
diff --git a/src/Streaming/Sort/Lifted.hs b/src/Streaming/Sort/Lifted.hs
--- a/src/Streaming/Sort/Lifted.hs
+++ b/src/Streaming/Sort/Lifted.hs
@@ -84,7 +84,7 @@
 --   These files are stored inside the specified directory if
 --   provided; if no such directory is provided then the system
 --   temporary directory is used.
-withFileSortBy :: (Ord a, Binary a, Withable w
+withFileSortBy :: (Binary a, Withable w
                   , MonadMask (WithMonad w), MonadIO (WithMonad w)
                   , MonadThrow m, MonadIO m)
                   => Config -> (a -> a -> Ordering)
diff --git a/streaming-sort.cabal b/streaming-sort.cabal
--- a/streaming-sort.cabal
+++ b/streaming-sort.cabal
@@ -1,5 +1,5 @@
 name:                streaming-sort
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Sorting streams
 description:         Sort streaming values, using files for a cached merge-sort of long @Stream@s.
 license:             MIT