diff --git a/Spock.cabal b/Spock.cabal
--- a/Spock.cabal
+++ b/Spock.cabal
@@ -1,5 +1,5 @@
 name:                Spock
-version:             0.4.2.1
+version:             0.4.2.2
 synopsis:            Another Haskell web toolkit based on scotty
 description:         This toolbox provides everything you need to get a quick start into web hacking with haskell: sessions, database helper, authentication and the power of scotty
 Homepage:            https://github.com/agrafix/Spock
diff --git a/Web/Spock.hs b/Web/Spock.hs
--- a/Web/Spock.hs
+++ b/Web/Spock.hs
@@ -9,7 +9,7 @@
       -- * Database
     , PoolOrConn (..), ConnBuilder (..), PoolCfg (..)
       -- * Accessing Database and State
-    , HasSpock
+    , HasSpock (..)
     -- * Authorization
     , SessionCfg (..)
     , authedUser, unauthCurrent