diff --git a/apiary-logger.cabal b/apiary-logger.cabal
--- a/apiary-logger.cabal
+++ b/apiary-logger.cabal
@@ -1,5 +1,5 @@
 name:                apiary-logger
-version:             1.0.0
+version:             1.1.0
 synopsis:            fast-logger support for apiary web framework.
 description:
   example: <https://github.com/philopon/apiary/blob/master/examples/persistent.hs>
@@ -12,14 +12,14 @@
 copyright:           (c) 2014 Hirotomo Moriwaki
 category:            Web
 build-type:          Simple
-stability:           experimental
+stability:           stable
 -- extra-source-files:  
 cabal-version:       >=1.10
 
 library
   exposed-modules:     Web.Apiary.Logger
   build-depends:       base               >=4.6   && <4.8
-                     , apiary             >=1.0   && <1.1
+                     , apiary             >=1.1   && <1.2
                      , fast-logger        >=2.1   && <2.3
                      , monad-logger       >=0.3   && <0.4
                      , data-default-class >=0.0   && <0.1
diff --git a/src/Web/Apiary/Logger.hs b/src/Web/Apiary/Logger.hs
--- a/src/Web/Apiary/Logger.hs
+++ b/src/Web/Apiary/Logger.hs
@@ -62,6 +62,7 @@
     { pushLog  :: LogStr -> IO ()
     , closeLog :: IO ()
     }
+instance Extension Logger
 
 newLogger :: BufSize -> LogDest -> IO Logger
 newLogger s (LogFile p) = newFileLoggerSet s p >>= \l ->