diff --git a/pinboard.cabal b/pinboard.cabal
--- a/pinboard.cabal
+++ b/pinboard.cabal
@@ -1,5 +1,5 @@
 name:                pinboard
-version:             0.8.7
+version:             0.8.8
 synopsis:            Access to the Pinboard API
 license:             MIT
 license-file:        LICENSE
diff --git a/src/Pinboard/Client.hs b/src/Pinboard/Client.hs
--- a/src/Pinboard/Client.hs
+++ b/src/Pinboard/Client.hs
@@ -155,7 +155,7 @@
 buildReq url = do
   req <- liftIO $ parseUrl $ "https://api.pinboard.in/v1/" <> url
   return $ req 
-    { requestHeaders = [("User-Agent","pinboard.hs/0.8.7")]
+    { requestHeaders = [("User-Agent","pinboard.hs/0.8.8")]
     , checkStatus = \_ _ _ -> Nothing
     }
 
diff --git a/src/Pinboard/Client/Types.hs b/src/Pinboard/Client/Types.hs
--- a/src/Pinboard/Client/Types.hs
+++ b/src/Pinboard/Client/Types.hs
@@ -50,7 +50,11 @@
 -- |Typeclass alias for the return type of the API functions (keeps the
 -- signatures less verbose)
 type MonadPinboard m =
-  ( MonadIO m
+  ( Functor m
+  , Applicative m
+  , Monad m
+  , MonadIO m
+  , MonadIO m
   , MonadReader PinboardEnv m
   , MonadError PinboardError m
   )