diff --git a/Database/MongoDB/Internal/Util.hs b/Database/MongoDB/Internal/Util.hs
--- a/Database/MongoDB/Internal/Util.hs
+++ b/Database/MongoDB/Internal/Util.hs
@@ -1,6 +1,7 @@
 -- | Miscellaneous general functions and Show, Eq, and Ord instances for PortID
 
 {-# LANGUAGE FlexibleInstances, UndecidableInstances, StandaloneDeriving #-}
+{-# LANGUAGE CPP #-}
 -- PortID instances
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 
@@ -29,8 +30,10 @@
 
 import qualified Data.Text as T
 
+#if !MIN_VERSION_network(2, 4, 1)
 deriving instance Show PortID
 deriving instance Eq PortID
+#endif
 deriving instance Ord PortID
 
 -- | MonadIO with extra Applicative and Functor superclasses
diff --git a/mongoDB.cabal b/mongoDB.cabal
--- a/mongoDB.cabal
+++ b/mongoDB.cabal
@@ -1,5 +1,5 @@
 Name:           mongoDB
-Version:        1.3.1
+Version:        1.3.2
 Synopsis:       Driver (client) for MongoDB, a free, scalable, fast, document
                 DBMS
 Description:    This package lets you connect to MongoDB servers and