diff --git a/hoauth2-tutorial.cabal b/hoauth2-tutorial.cabal
--- a/hoauth2-tutorial.cabal
+++ b/hoauth2-tutorial.cabal
@@ -1,6 +1,6 @@
 cabal-version: 2.4
 name:          hoauth2-tutorial
-version:       0.8.0
+version:       0.9.0
 synopsis:      Tutorial for using hoauth2
 description:
   Tutorial to demostrate how to use hoauth2 to implement OAuth2 flow in an web Application.
@@ -23,16 +23,16 @@
 common common
   hs-source-dirs:   src
   build-depends:
-    , aeson           >=2.0   && <2.3
-    , base            >=4.11  && <5
-    , bytestring      >=0.9   && <0.13
-    , hoauth2         >=2.9   && <2.15
-    , http-conduit    >=2.1   && <2.4
-    , http-types      >=0.11  && <0.13
-    , scotty          >=0.10  && <0.13
-    , text            >=2.0   && <2.3
-    , transformers    >=0.4   && <0.7
-    , uri-bytestring  >=0.2.3 && <0.4
+    , aeson           >=2.0  && <2.3
+    , base            >=4.11 && <5
+    , bytestring      >=0.9  && <0.13
+    , hoauth2         >=2.9  && <2.16
+    , http-conduit    >=2.1  && <2.4
+    , http-types      >=0.11 && <0.13
+    , scotty          >=0.10 && <0.13
+    , text            >=2.0  && <2.3
+    , transformers    >=0.4  && <0.7
+    , uri-bytestring  >=0.4  && <0.5
 
   default-language: Haskell2010
   ghc-options:
diff --git a/src/HOAuth2ExperimentTutorial.hs b/src/HOAuth2ExperimentTutorial.hs
--- a/src/HOAuth2ExperimentTutorial.hs
+++ b/src/HOAuth2ExperimentTutorial.hs
@@ -128,9 +128,9 @@
 import GHC.Generics (Generic)
 import Network.HTTP.Conduit (newManager, tlsManagerSettings)
 import Network.HTTP.Types (status302)
-import Network.OAuth.OAuth2 (
+import Network.OAuth2 (
   ExchangeToken (ExchangeToken),
-  OAuth2Token (accessToken),
+  TokenResponse (accessToken),
   TokenResponseError,
  )
 import Network.OAuth2.Experiment
@@ -163,7 +163,7 @@
     , acRedirectUri = [uri|http://localhost:9988/oauth2/callback|]
     , acName = "sample-auth0-authorization-code-app"
     , acAuthorizeRequestExtraParams = Map.empty
-    , acTokenRequestAuthenticationMethod = ClientSecretBasic
+    , acClientAuthenticationMethod = ClientSecretBasic
     }
 
 auth0DemoApp :: IdpApplication "auth0" AuthorizationCodeApplication
@@ -282,9 +282,9 @@
   [Scotty.Param] ->
   Either TL.Text TL.Text
 paramValue key params =
-  if null val
-    then Left ("No value found for param: " <> key)
-    else Right (head val)
+  case val of
+    [] -> Left ("No value found for param: " <> key)
+    (x : _) -> Right x
   where
     val = snd <$> filter (hasParam key) params
     hasParam :: TL.Text -> Scotty.Param -> Bool
diff --git a/src/HOAuth2Tutorial.hs b/src/HOAuth2Tutorial.hs
--- a/src/HOAuth2Tutorial.hs
+++ b/src/HOAuth2Tutorial.hs
@@ -117,10 +117,10 @@
 import GHC.Generics (Generic)
 import Network.HTTP.Conduit (newManager, tlsManagerSettings)
 import Network.HTTP.Types (status302)
-import Network.OAuth.OAuth2 (
+import Network.OAuth2 (
   ExchangeToken (ExchangeToken),
   OAuth2 (..),
-  OAuth2Token (accessToken),
+  TokenResponse (accessToken),
   TokenResponseError,
   appendQueryParams,
   authGetJSON,
@@ -271,9 +271,9 @@
   [Scotty.Param] ->
   Either TL.Text TL.Text
 paramValue key params =
-  if null val
-    then Left ("No value found for param: " <> key)
-    else Right (head val)
+  case val of
+    [] -> Left ("No value found for param: " <> key)
+    (x : _) -> Right x
   where
     val = snd <$> filter (hasParam key) params
     hasParam :: TL.Text -> Scotty.Param -> Bool