diff --git a/hzulip.cabal b/hzulip.cabal
--- a/hzulip.cabal
+++ b/hzulip.cabal
@@ -1,5 +1,5 @@
 name:                hzulip
-version:             0.2.0.1
+version:             0.2.0.2
 synopsis:            A haskell wrapper for the Zulip API.
 description:         This a Zulip API wrapper for Haskell.
 homepage:            https://github.com/yamadapc/hzulip
diff --git a/src/HZulip.hs b/src/HZulip.hs
--- a/src/HZulip.hs
+++ b/src/HZulip.hs
@@ -1,6 +1,10 @@
 {-# LANGUAGE OverloadedStrings #-}
-module HZulip ( Message(..)
+module HZulip ( Event(..)
+              , Message(..)
+              , Queue(..)
+              , User(..)
               , ZulipClient(..)
+              , EventCallback
               , defaultBaseUrl
               , getEvents
               , newZulip