diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # ChangeLog for yesod-auth-oauth
 
+## 1.6.1.1
+
+* Support `yesod-core` 1.7
+
 ## 1.6.1
 
 * Allow newer GHC
diff --git a/Yesod/Auth/OAuth.hs b/Yesod/Auth/OAuth.hs
--- a/Yesod/Auth/OAuth.hs
+++ b/Yesod/Auth/OAuth.hs
@@ -1,9 +1,11 @@
-{-# LANGUAGE OverloadedStrings, QuasiQuotes #-}
 {-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE GADTs #-}
 {-# LANGUAGE LambdaCase #-}
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE QuasiQuotes #-}
 {-# LANGUAGE RankNTypes #-}
-{-# LANGUAGE GADTs #-}
 {-# LANGUAGE ScopedTypeVariables #-}
+
 module Yesod.Auth.OAuth
     ( authOAuth
     , oauthUrl
@@ -14,7 +16,6 @@
     , tumblrUrl
     , module Web.Authenticate.OAuth
     ) where
-import           Control.Applicative      as A ((<$>), (<*>))
 import           Control.Arrow            ((***))
 import           UnliftIO.Exception
 import           Control.Monad.IO.Class
@@ -77,8 +78,8 @@
                                 ]
           else do
             (verifier, oaTok) <-
-                runInputGet $ (,) A.<$> ireq textField "oauth_verifier"
-                                  A.<*> ireq textField "oauth_token"
+                runInputGet $ (,) <$> ireq textField "oauth_verifier"
+                                  <*> ireq textField "oauth_token"
             return $ Credential [ ("oauth_verifier", encodeUtf8 verifier)
                                 , ("oauth_token", encodeUtf8 oaTok)
                                 , ("oauth_token_secret", encodeUtf8 tokSec)
diff --git a/yesod-auth-oauth.cabal b/yesod-auth-oauth.cabal
--- a/yesod-auth-oauth.cabal
+++ b/yesod-auth-oauth.cabal
@@ -1,6 +1,6 @@
 cabal-version:   >= 1.10
 name:            yesod-auth-oauth
-version:         1.6.1
+version:         1.6.1.1
 license:         BSD3
 license-file:    LICENSE
 author:          Hiromi Ishii
@@ -21,7 +21,7 @@
                    , text                    >= 0.7
                    , unliftio
                    , yesod-auth              >= 1.6       && < 1.7
-                   , yesod-core              >= 1.6       && < 1.7
+                   , yesod-core              >= 1.6       && < 1.8
                    , yesod-form              >= 1.6       && < 1.8
     exposed-modules: Yesod.Auth.OAuth
     ghc-options:     -Wall