diff --git a/Network/Wai/Application/Monitoring.hs b/Network/Wai/Application/Monitoring.hs
--- a/Network/Wai/Application/Monitoring.hs
+++ b/Network/Wai/Application/Monitoring.hs
@@ -6,6 +6,7 @@
   ) where
 
 import Control.Monad.IO.Class (liftIO)
+import Control.Monad.Trans.Resource (ResourceT)
 import qualified Data.HashMap.Strict as M
 import qualified GHC.Stats as Stats
 import Network.HTTP.Types (status200)
diff --git a/gc-monitoring-wai.cabal b/gc-monitoring-wai.cabal
--- a/gc-monitoring-wai.cabal
+++ b/gc-monitoring-wai.cabal
@@ -7,7 +7,7 @@
 -- The package version. See the Haskell package versioning policy
 -- (http://www.haskell.org/haskellwiki/Package_versioning_policy) for
 -- standards guiding when and how versions should be incremented.
-Version:             0.1.1
+Version:             0.1.2
 
 -- A short (one-line) description of the package.
 Synopsis:            a wai application to show GHC.GCStats
@@ -59,3 +59,4 @@
                      , http-types
                      , wai
                      , aeson
+                     , conduit