diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fb55c4b..285b745 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,7 @@ jobs:
       matrix:
         stack-yaml:
           - stack.yaml
+          - stack-hoauth2-2.0.yaml
           - stack-lts-17.4.yaml
           - stack-lts-16.10.yaml
           - stack-lts-13.2.yaml
diff --git a/README.md b/README.md
index dba48a8..48e0541 100644
--- a/README.md
+++ b/README.md
@@ -91,11 +91,11 @@ oauth2MySite clientId clientSecret =
             }
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint = "https://mysite.com/oauth/authorize"
-        , oauthAccessTokenEndpoint = "https://mysite.com/oauth/token"
-        , oauthCallback = Nothing
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint = "https://mysite.com/oauth/authorize"
+        , oauth2TokenEndpoint = "https://mysite.com/oauth/token"
+        , oauth2RedirectUri = Nothing
         }
 ```
 
diff --git a/src/Network/OAuth/OAuth2/Compat.hs b/src/Network/OAuth/OAuth2/Compat.hs
new file mode 100644
index 0000000..36e3f74
--- /dev/null
+++ b/src/Network/OAuth/OAuth2/Compat.hs
@@ -0,0 +1,61 @@
+{-# LANGUAGE CPP #-}
+
+module Network.OAuth.OAuth2.Compat
+    ( OAuth2(..)
+    , authorizationUrl
+    , fetchAccessToken
+    , fetchAccessToken2
+    , module Network.OAuth.OAuth2
+    ) where
+
+import Network.HTTP.Conduit (Manager)
+import Network.OAuth.OAuth2 hiding
+    (OAuth2(..), authorizationUrl, fetchAccessToken, fetchAccessToken2)
+import qualified Network.OAuth.OAuth2 as OAuth2
+import Network.OAuth.OAuth2.TokenRequest (Errors)
+import URI.ByteString
+
+#if MIN_VERSION_hoauth2(2,0,0)
+import Network.OAuth.OAuth2 (OAuth2(..))
+
+getOAuth2 :: OAuth2 -> OAuth2
+getOAuth2 = id
+
+#else
+import Data.Text (Text)
+
+data OAuth2 = OAuth2
+    { oauth2ClientId :: Text
+    , oauth2ClientSecret :: Maybe Text
+    , oauth2AuthorizeEndpoint :: URIRef Absolute
+    , oauth2TokenEndpoint :: URIRef Absolute
+    , oauth2RedirectUri :: Maybe (URIRef Absolute)
+    }
+
+getOAuth2 :: OAuth2 -> OAuth2.OAuth2
+getOAuth2 o = OAuth2.OAuth2
+    { OAuth2.oauthClientId = oauth2ClientId o
+    , OAuth2.oauthClientSecret = oauth2ClientSecret o
+    , OAuth2.oauthOAuthorizeEndpoint = oauth2AuthorizeEndpoint o
+    , OAuth2.oauthAccessTokenEndpoint = oauth2TokenEndpoint o
+    , OAuth2.oauthCallback = oauth2RedirectUri o
+    }
+
+#endif
+
+authorizationUrl :: OAuth2 -> URI
+authorizationUrl = OAuth2.authorizationUrl . getOAuth2
+
+fetchAccessToken
+    :: Manager
+    -> OAuth2
+    -> ExchangeToken
+    -> IO (OAuth2Result Errors OAuth2Token)
+fetchAccessToken m = OAuth2.fetchAccessToken m . getOAuth2
+
+fetchAccessToken2
+    :: Manager
+    -> OAuth2
+    -> ExchangeToken
+    -> IO (OAuth2Result Errors OAuth2Token)
+fetchAccessToken2 m = OAuth2.fetchAccessToken2 m . getOAuth2
diff --git a/src/Yesod/Auth/OAuth2.hs b/src/Yesod/Auth/OAuth2.hs
index 92e5951..5bed58a 100644
--- a/src/Yesod/Auth/OAuth2.hs
+++ b/src/Yesod/Auth/OAuth2.hs
@@ -26,8 +26,7 @@ module Yesod.Auth.OAuth2
     , getRefreshToken
     , getUserResponse
     , getUserResponseJSON
-    )
-where
+    ) where
 
 import Control.Error.Util (note)
 import Control.Monad ((<=<))
@@ -36,7 +35,7 @@ import Data.ByteString.Lazy (ByteString, fromStrict)
 import Data.Text (Text)
 import Data.Text.Encoding (encodeUtf8)
 import Network.HTTP.Conduit (Manager)
-import Network.OAuth.OAuth2
+import Network.OAuth.OAuth2.Compat
 import Yesod.Auth
 import Yesod.Auth.OAuth2.Dispatch
 import Yesod.Core.Widget
diff --git a/src/Yesod/Auth/OAuth2/AzureAD.hs b/src/Yesod/Auth/OAuth2/AzureAD.hs
index 24334f7..cc9b27e 100644
--- a/src/Yesod/Auth/OAuth2/AzureAD.hs
+++ b/src/Yesod/Auth/OAuth2/AzureAD.hs
@@ -45,14 +45,14 @@ oauth2AzureADScoped scopes clientId clientSecret =
             }
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint =
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint =
             "https://login.windows.net/common/oauth2/authorize"
                 `withQuery` [ scopeParam "," scopes
                             , ("resource", "https://graph.microsoft.com")
                             ]
-        , oauthAccessTokenEndpoint =
+        , oauth2TokenEndpoint =
             "https://login.windows.net/common/oauth2/token"
-        , oauthCallback = Nothing
+        , oauth2RedirectUri = Nothing
         }
diff --git a/src/Yesod/Auth/OAuth2/BattleNet.hs b/src/Yesod/Auth/OAuth2/BattleNet.hs
index 1141808..fd89b95 100644
--- a/src/Yesod/Auth/OAuth2/BattleNet.hs
+++ b/src/Yesod/Auth/OAuth2/BattleNet.hs
@@ -51,11 +51,11 @@ oauth2BattleNet widget region clientId clientSecret =
   where
     host = wwwHost $ T.toLower region
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint = fromRelative "https" host "/oauth/authorize"
-        , oauthAccessTokenEndpoint = fromRelative "https" host "/oauth/token"
-        , oauthCallback = Nothing
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint = fromRelative "https" host "/oauth/authorize"
+        , oauth2TokenEndpoint = fromRelative "https" host "/oauth/token"
+        , oauth2RedirectUri = Nothing
         }
 
 
diff --git a/src/Yesod/Auth/OAuth2/Bitbucket.hs b/src/Yesod/Auth/OAuth2/Bitbucket.hs
index 1f2738a..c485fee 100644
--- a/src/Yesod/Auth/OAuth2/Bitbucket.hs
+++ b/src/Yesod/Auth/OAuth2/Bitbucket.hs
@@ -52,12 +52,12 @@ oauth2BitbucketScoped scopes clientId clientSecret =
             }
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint =
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint =
             "https://bitbucket.com/site/oauth2/authorize"
                 `withQuery` [scopeParam "," scopes]
-        , oauthAccessTokenEndpoint =
+        , oauth2TokenEndpoint =
             "https://bitbucket.com/site/oauth2/access_token"
-        , oauthCallback = Nothing
+        , oauth2RedirectUri = Nothing
         }
diff --git a/src/Yesod/Auth/OAuth2/ClassLink.hs b/src/Yesod/Auth/OAuth2/ClassLink.hs
index 03c51ad..1127d2f 100644
--- a/src/Yesod/Auth/OAuth2/ClassLink.hs
+++ b/src/Yesod/Auth/OAuth2/ClassLink.hs
@@ -40,12 +40,12 @@ oauth2ClassLinkScoped scopes clientId clientSecret =
             }
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint =
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint =
             "https://launchpad.classlink.com/oauth2/v2/auth"
                 `withQuery` [scopeParam "," scopes]
-        , oauthAccessTokenEndpoint =
+        , oauth2TokenEndpoint =
             "https://launchpad.classlink.com/oauth2/v2/token"
-        , oauthCallback = Nothing
+        , oauth2RedirectUri = Nothing
         }
diff --git a/src/Yesod/Auth/OAuth2/Dispatch.hs b/src/Yesod/Auth/OAuth2/Dispatch.hs
index a524e2a..e470030 100644
--- a/src/Yesod/Auth/OAuth2/Dispatch.hs
+++ b/src/Yesod/Auth/OAuth2/Dispatch.hs
@@ -17,7 +17,7 @@ import Data.Text (Text)
 import qualified Data.Text as T
 import Data.Text.Encoding (encodeUtf8)
 import Network.HTTP.Conduit (Manager)
-import Network.OAuth.OAuth2
+import Network.OAuth.OAuth2.Compat
 import Network.OAuth.OAuth2.TokenRequest (Errors)
 import URI.ByteString.Extension
 import UnliftIO.Exception
@@ -104,9 +104,9 @@ withCallbackAndState name oauth2 csrf = do
     uri <- ($ PluginR name ["callback"]) <$> getParentUrlRender
     callback <- maybe (throwError $ InvalidCallbackUri uri) pure $ fromText uri
     pure oauth2
-        { oauthCallback = Just callback
-        , oauthOAuthorizeEndpoint =
-            oauthOAuthorizeEndpoint oauth2
+        { oauth2RedirectUri = Just callback
+        , oauth2AuthorizeEndpoint =
+            oauth2AuthorizeEndpoint oauth2
                 `withQuery` [("state", encodeUtf8 csrf)]
         }
 
diff --git a/src/Yesod/Auth/OAuth2/EveOnline.hs b/src/Yesod/Auth/OAuth2/EveOnline.hs
index e95c348..165a910 100644
--- a/src/Yesod/Auth/OAuth2/EveOnline.hs
+++ b/src/Yesod/Auth/OAuth2/EveOnline.hs
@@ -72,11 +72,11 @@ oauth2EveScoped scopes widgetType clientId clientSecret =
                   }
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint =
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint =
             "https://login.eveonline.com/oauth/authorize"
                 `withQuery` [("response_type", "code"), scopeParam " " scopes]
-        , oauthAccessTokenEndpoint = "https://login.eveonline.com/oauth/token"
-        , oauthCallback = Nothing
+        , oauth2TokenEndpoint = "https://login.eveonline.com/oauth/token"
+        , oauth2RedirectUri = Nothing
         }
diff --git a/src/Yesod/Auth/OAuth2/GitHub.hs b/src/Yesod/Auth/OAuth2/GitHub.hs
index effeccc..d5bd7f0 100644
--- a/src/Yesod/Auth/OAuth2/GitHub.hs
+++ b/src/Yesod/Auth/OAuth2/GitHub.hs
@@ -46,12 +46,12 @@ oauth2GitHubScoped scopes clientId clientSecret =
             }
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint =
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint =
             "https://github.com/login/oauth/authorize"
                 `withQuery` [scopeParam "," scopes]
-        , oauthAccessTokenEndpoint =
+        , oauth2TokenEndpoint =
             "https://github.com/login/oauth/access_token"
-        , oauthCallback = Nothing
+        , oauth2RedirectUri = Nothing
         }
diff --git a/src/Yesod/Auth/OAuth2/GitLab.hs b/src/Yesod/Auth/OAuth2/GitLab.hs
index c0b136f..2910253 100644
--- a/src/Yesod/Auth/OAuth2/GitLab.hs
+++ b/src/Yesod/Auth/OAuth2/GitLab.hs
@@ -53,12 +53,12 @@ oauth2GitLabHostScopes host scopes clientId clientSecret =
             }
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint =
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint =
             host
             `withPath` "/oauth/authorize"
             `withQuery` [scopeParam " " scopes]
-        , oauthAccessTokenEndpoint = host `withPath` "/oauth/token"
-        , oauthCallback = Nothing
+        , oauth2TokenEndpoint = host `withPath` "/oauth/token"
+        , oauth2RedirectUri = Nothing
         }
diff --git a/src/Yesod/Auth/OAuth2/Google.hs b/src/Yesod/Auth/OAuth2/Google.hs
index 4544d68..68baaff 100644
--- a/src/Yesod/Auth/OAuth2/Google.hs
+++ b/src/Yesod/Auth/OAuth2/Google.hs
@@ -74,12 +74,12 @@ oauth2GoogleScopedWidget widget scopes clientId clientSecret =
             }
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint =
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint =
             "https://accounts.google.com/o/oauth2/auth"
                 `withQuery` [scopeParam " " scopes]
-        , oauthAccessTokenEndpoint =
+        , oauth2TokenEndpoint =
             "https://www.googleapis.com/oauth2/v3/token"
-        , oauthCallback = Nothing
+        , oauth2RedirectUri = Nothing
         }
diff --git a/src/Yesod/Auth/OAuth2/Nylas.hs b/src/Yesod/Auth/OAuth2/Nylas.hs
index df2d8d1..edc729c 100644
--- a/src/Yesod/Auth/OAuth2/Nylas.hs
+++ b/src/Yesod/Auth/OAuth2/Nylas.hs
@@ -51,9 +51,9 @@ oauth2Nylas clientId clientSecret =
             $ eitherDecode userResponse
   where
     oauth = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint =
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint =
             "https://api.nylas.com/oauth/authorize"
                 `withQuery` [ ("response_type", "code")
                             , ( "client_id"
@@ -64,6 +64,6 @@ oauth2Nylas clientId clientSecret =
             -- its current state, it doesn't matter because it's only one scope.
                             , scopeParam "," defaultScopes
                             ]
-        , oauthAccessTokenEndpoint = "https://api.nylas.com/oauth/token"
-        , oauthCallback = Nothing
+        , oauth2TokenEndpoint = "https://api.nylas.com/oauth/token"
+        , oauth2RedirectUri = Nothing
         }
diff --git a/src/Yesod/Auth/OAuth2/Prelude.hs b/src/Yesod/Auth/OAuth2/Prelude.hs
index 3e190f5..5256da7 100644
--- a/src/Yesod/Auth/OAuth2/Prelude.hs
+++ b/src/Yesod/Auth/OAuth2/Prelude.hs
@@ -54,8 +54,7 @@ module Yesod.Auth.OAuth2.Prelude
     -- * Temporary, until I finish re-structuring modules
     , authOAuth2
     , authOAuth2Widget
-    )
-where
+    ) where
 
 import Control.Exception.Safe
 import Data.Aeson
@@ -65,7 +64,7 @@ import Data.Text (Text)
 import qualified Data.Text as T
 import Data.Text.Encoding
 import Network.HTTP.Conduit
-import Network.OAuth.OAuth2
+import Network.OAuth.OAuth2.Compat
 import URI.ByteString
 import URI.ByteString.Extension
 import Yesod.Auth
diff --git a/src/Yesod/Auth/OAuth2/Salesforce.hs b/src/Yesod/Auth/OAuth2/Salesforce.hs
index ced442c..5543eba 100644
--- a/src/Yesod/Auth/OAuth2/Salesforce.hs
+++ b/src/Yesod/Auth/OAuth2/Salesforce.hs
@@ -73,10 +73,10 @@ salesforceHelper name profileUri authorizeUri tokenUri scopes clientId clientSec
             }
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint =
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint =
             authorizeUri `withQuery` [scopeParam " " scopes]
-        , oauthAccessTokenEndpoint = tokenUri
-        , oauthCallback = Nothing
+        , oauth2TokenEndpoint = tokenUri
+        , oauth2RedirectUri = Nothing
         }
diff --git a/src/Yesod/Auth/OAuth2/Slack.hs b/src/Yesod/Auth/OAuth2/Slack.hs
index f555961..65f211a 100644
--- a/src/Yesod/Auth/OAuth2/Slack.hs
+++ b/src/Yesod/Auth/OAuth2/Slack.hs
@@ -65,11 +65,11 @@ oauth2SlackScoped scopes clientId clientSecret =
             $ eitherDecode userResponse
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint =
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint =
             "https://slack.com/oauth/authorize"
                 `withQuery` [scopeParam "," $ map scopeText scopes]
-        , oauthAccessTokenEndpoint = "https://slack.com/api/oauth.access"
-        , oauthCallback = Nothing
+        , oauth2TokenEndpoint = "https://slack.com/api/oauth.access"
+        , oauth2RedirectUri = Nothing
         }
diff --git a/src/Yesod/Auth/OAuth2/Spotify.hs b/src/Yesod/Auth/OAuth2/Spotify.hs
index f178b47..498aa47 100644
--- a/src/Yesod/Auth/OAuth2/Spotify.hs
+++ b/src/Yesod/Auth/OAuth2/Spotify.hs
@@ -34,11 +34,11 @@ oauth2Spotify scopes clientId clientSecret =
             }
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint =
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint =
             "https://accounts.spotify.com/authorize"
                 `withQuery` [scopeParam " " scopes]
-        , oauthAccessTokenEndpoint = "https://accounts.spotify.com/api/token"
-        , oauthCallback = Nothing
+        , oauth2TokenEndpoint = "https://accounts.spotify.com/api/token"
+        , oauth2RedirectUri = Nothing
         }
diff --git a/src/Yesod/Auth/OAuth2/Upcase.hs b/src/Yesod/Auth/OAuth2/Upcase.hs
index f1b17c2..8da9e25 100644
--- a/src/Yesod/Auth/OAuth2/Upcase.hs
+++ b/src/Yesod/Auth/OAuth2/Upcase.hs
@@ -41,9 +41,9 @@ oauth2Upcase clientId clientSecret =
             }
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint = "http://upcase.com/oauth/authorize"
-        , oauthAccessTokenEndpoint = "http://upcase.com/oauth/token"
-        , oauthCallback = Nothing
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint = "http://upcase.com/oauth/authorize"
+        , oauth2TokenEndpoint = "http://upcase.com/oauth/token"
+        , oauth2RedirectUri = Nothing
         }
diff --git a/src/Yesod/Auth/OAuth2/WordPressDotCom.hs b/src/Yesod/Auth/OAuth2/WordPressDotCom.hs
index 7dd8dc8..adf825a 100644
--- a/src/Yesod/Auth/OAuth2/WordPressDotCom.hs
+++ b/src/Yesod/Auth/OAuth2/WordPressDotCom.hs
@@ -37,12 +37,12 @@ oauth2WordPressDotCom clientId clientSecret =
 
   where
     oauth2 = OAuth2
-        { oauthClientId = clientId
-        , oauthClientSecret = Just clientSecret
-        , oauthOAuthorizeEndpoint =
+        { oauth2ClientId = clientId
+        , oauth2ClientSecret = Just clientSecret
+        , oauth2AuthorizeEndpoint =
             "https://public-api.wordpress.com/oauth2/authorize"
                 `withQuery` [scopeParam "," ["auth"]]
-        , oauthAccessTokenEndpoint =
+        , oauth2TokenEndpoint =
             "https://public-api.wordpress.com/oauth2/token"
-        , oauthCallback = Nothing
+        , oauth2RedirectUri = Nothing
         }
diff --git a/stack-hoauth2-2.0.yaml b/stack-hoauth2-2.0.yaml
new file mode 100644
index 0000000..44cc6cb
--- /dev/null
+++ b/stack-hoauth2-2.0.yaml
@@ -0,0 +1,3 @@
+resolver: lts-18.23
+extra-deps:
+  - hoauth2-2.0.0@sha256:4686d776272d4c57d3c8dbeb9e58b04afe4d2b410382011bd78a3d2bfb08a3fe,5662
diff --git a/stack-hoauth2-2.0.yaml.lock b/stack-hoauth2-2.0.yaml.lock
new file mode 100644
index 0000000..2bb99b0
--- /dev/null
+++ b/stack-hoauth2-2.0.yaml.lock
@@ -0,0 +1,19 @@
+# This file was autogenerated by Stack.
+# You should not edit this file by hand.
+# For more information, please see the documentation at:
+#   https://docs.haskellstack.org/en/stable/lock_files
+
+packages:
+- completed:
+    hackage: hoauth2-2.0.0@sha256:4686d776272d4c57d3c8dbeb9e58b04afe4d2b410382011bd78a3d2bfb08a3fe,5662
+    pantry-tree:
+      size: 2171
+      sha256: 291b3dd90854ef44f270519ec17e34b6778f8430f6d6517bd67b0128bd549553
+  original:
+    hackage: hoauth2-2.0.0@sha256:4686d776272d4c57d3c8dbeb9e58b04afe4d2b410382011bd78a3d2bfb08a3fe,5662
+snapshots:
+- completed:
+    size: 587819
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/18/23.yaml
+    sha256: 7f69bb29a57495586e7e3ed31ecc59c0d2c959cb23bd52b71ca676f254c9beb1
+  original: lts-18.23
diff --git a/stack.yaml b/stack.yaml
index 95ed52c..a5e4e03 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1 +1 @@
-resolver: lts-17.4
+resolver: lts-18.23
diff --git a/stack.yaml.lock b/stack.yaml.lock
index 108ab08..678fbff 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -6,7 +6,7 @@
 packages: []
 snapshots:
 - completed:
-    size: 563103
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/17/4.yaml
-    sha256: f11e2153044f5f71ea7b1c9398f4721f517c9bd37642ed769647b896564021f3
-  original: lts-17.4
+    size: 587819
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/18/23.yaml
+    sha256: 7f69bb29a57495586e7e3ed31ecc59c0d2c959cb23bd52b71ca676f254c9beb1
+  original: lts-18.23
diff --git a/yesod-auth-oauth2.cabal b/yesod-auth-oauth2.cabal
index 2b2b5bc..d1b53c3 100644
--- a/yesod-auth-oauth2.cabal
+++ b/yesod-auth-oauth2.cabal
@@ -1,10 +1,10 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.33.0.
+-- This file has been generated from package.yaml by hpack version 0.34.4.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 1c0ae94778ce803bde4726d2be1e60cd5dcb94f8e34b7cefbbae7dafb30d1dea
+-- hash: 5f7443ec90d4a2884d1d8816ec553f50fe303c51a6d8ee956fc8d62b49333e60
 
 name:           yesod-auth-oauth2
 version:        0.6.3.4
@@ -35,6 +35,7 @@ flag example
 
 library
   exposed-modules:
+      Network.OAuth.OAuth2.Compat
       UnliftIO.Except
       URI.ByteString.Extension
       Yesod.Auth.OAuth2