diff --git a/src/Yam/Redis.hs b/src/Yam/Redis.hs
--- a/src/Yam/Redis.hs
+++ b/src/Yam/Redis.hs
@@ -33,7 +33,7 @@
 instance Default ConnectInfo where
   def = defaultConnectInfo
 
-instance FromProp ConnectInfo where
+instance MonadCatch m => FromProp m ConnectInfo where
   fromProp = ConnInfo
     <$> "host"      .?: connectHost
     <*> "port"      .?: connectPort
@@ -44,8 +44,8 @@
     <*> return Nothing
     <*> return Nothing
 
-instance FromProp PortID where
-  fromProp = PortNumber . fromIntegral <$> (fromProp :: Prop Word16)
+instance MonadThrow m => FromProp m PortID where
+  fromProp = PortNumber . fromIntegral <$> (fromProp :: Prop m Word16)
 
 -- | Middleware context type.
 newtype REDIS = REDIS Connection
@@ -71,11 +71,10 @@
     go  TxAborted    = Left $ Error "RedisTx aborted"
     go (TxError   e) = Left $ Error $ BC.pack e
 
-redisMiddleware :: RunSalak (AppMiddleware a (REDIS : a))
-redisMiddleware = do
-  ci <- require "redis"
-  return $ AppMiddleware $ \cxt m h f -> do
+redisMiddleware :: HasSalaks a => AppMiddleware a (REDIS : a)
+redisMiddleware = AppMiddleware $ \cxt m h f -> do
     logInfo "Redis loaded"
+    ci <- runAppT cxt (require "redis")
     lf <- askLoggerIO
     liftIO
       $ bracket (connect ci) disconnect
diff --git a/yam-redis.cabal b/yam-redis.cabal
--- a/yam-redis.cabal
+++ b/yam-redis.cabal
@@ -1,9 +1,9 @@
 cabal-version: 1.12
 name: yam-redis
-version: 0.6.3
+version: 0.7
 license: BSD3
 license-file: LICENSE
-copyright: (c) Daniel YU
+copyright: (c) 2018 Daniel YU
 maintainer: Daniel YU <leptonyu@gmail.com>
 author: Daniel YU
 homepage: https://github.com/leptonyu/yam#readme
@@ -32,7 +32,7 @@
                         RecordWildCards ScopedTypeVariables StandaloneDeriving
                         TupleSections TypeApplications TypeFamilies TypeOperators
                         TypeSynonymInstances ViewPatterns
-    ghc-options: -Wall
+    ghc-options: -Wall -fno-warn-orphans -fno-warn-missing-signatures
     build-depends:
         base >=4.10 && <5,
         bytestring >=0.10.8.2 && <0.11,
@@ -41,7 +41,7 @@
         menshen >=0.0.3 && <0.1,
         monad-logger >=0.3.30 && <0.4,
         mtl >=2.2.2 && <2.3,
-        salak >=0.2.9.3 && <0.3,
-        servant-server ==0.16.*,
+        salak ==0.3.*,
+        servant-server >=0.16.1 && <0.17,
         text >=1.2.3.1 && <1.3,
-        yam >=0.6.3 && <0.7
+        yam ==0.7.*