diff --git a/preamble.cabal b/preamble.cabal
--- a/preamble.cabal
+++ b/preamble.cabal
@@ -1,5 +1,5 @@
 name: preamble
-version: 0.0.43
+version: 0.0.44
 cabal-version: >=1.22
 build-type: Simple
 license: MIT
diff --git a/src/Preamble/Types/Orphan.hs b/src/Preamble/Types/Orphan.hs
--- a/src/Preamble/Types/Orphan.hs
+++ b/src/Preamble/Types/Orphan.hs
@@ -1,4 +1,5 @@
 {-# OPTIONS  -fno-warn-orphans #-}
+{-# LANGUAGE CPP               #-}
 {-# LANGUAGE NoImplicitPrelude #-}
 
 -- | Various orphans.
@@ -7,16 +8,22 @@
 
 import Control.Monad.Random
 import Control.Monad.Trans.Resource
+#if MIN_VERSION_aeson(1,1,0)
+#else
 import Data.Aeson
 import Data.UUID
+#endif
 import Preamble.Prelude
 
+#if MIN_VERSION_aeson(1,1,0)
+#else
 instance ToJSON UUID where
   toJSON = toJSON . toText
 
 instance FromJSON UUID where
   parseJSON (String s) = maybe mzero return $ fromText s
   parseJSON _ = mzero
+#endif
 
 instance MonadRandom m => MonadRandom (ResourceT m) where
   getRandom   = lift getRandom