diff --git a/src/System/ZMQ4/Simple.hs b/src/System/ZMQ4/Simple.hs
--- a/src/System/ZMQ4/Simple.hs
+++ b/src/System/ZMQ4/Simple.hs
@@ -195,6 +195,9 @@
 sendJson :: Sendable from to aux => ToJSON a => aux -> Socket z from to loc -> a -> ZMQ z ()
 sendJson a s x = send a s (LBS.toStrict (encode x) :| [])
 
+instance Sendable Pair Pair () where
+  send () (Socket s) xs = Z.sendMulti s xs
+
 instance Sendable Pub Sub () where
   send () (Socket s) xs = Z.sendMulti s xs
 
@@ -242,6 +245,9 @@
     Just (aux, msg :| _) -> case decode (LBS.fromStrict msg) of
       Nothing -> pure Nothing
       Just x -> pure (Just (aux,x))
+
+instance Receivable Pair Pair () where
+  receive (Socket s) = receiveBasic s
 
 instance Receivable Sub Pub () where
   receive (Socket s) = receiveBasic s
diff --git a/zeromq4-simple.cabal b/zeromq4-simple.cabal
--- a/zeromq4-simple.cabal
+++ b/zeromq4-simple.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 1c511c7f2be6e9a8547e2f2a01b602ac98b742e3835853a1f61af213b8c22268
+-- hash: 8a9a9f8e0ba39d0e81e391600f8481ac025ac0327f2aaae5709c9108a72530c4
 
 name:           zeromq4-simple
-version:        0.0.0.1
+version:        0.0.0.2
 synopsis:       More constrained extensions to zeromq4-haskell
 description:    Please see the README on GitHub at <https://github.com/athanclark/zeromq4-simple#readme>
 category:       System, FFI