diff --git a/src/Network/OAuth/OAuth2/Compat.hs b/src/Network/OAuth/OAuth2/Compat.hs
index 5919d57..05af0da 100644
--- a/src/Network/OAuth/OAuth2/Compat.hs
+++ b/src/Network/OAuth/OAuth2/Compat.hs
@@ -134,7 +134,9 @@ fetchAccessTokenBasic
     -> IO (OAuth2Result Errors OAuth2Token)
 fetchAccessTokenBasic m o e = runOAuth2 $ f m (getOAuth2 o) e
   where
-#if MIN_VERSION_hoauth2(2,3,0)
+#if MIN_VERSION_hoauth2(2,6,0)
+    f = OAuth2.fetchAccessTokenWithAuthMethod OAuth2.ClientSecretBasic
+#elif MIN_VERSION_hoauth2(2,3,0)
     f = OAuth2.fetchAccessTokenInternal OAuth2.ClientSecretBasic
 #else
     f = OAuth2.fetchAccessToken
@@ -147,7 +149,9 @@ fetchAccessTokenPost
     -> IO (OAuth2Result Errors OAuth2Token)
 fetchAccessTokenPost m o e = runOAuth2 $ f m (getOAuth2 o) e
   where
-#if MIN_VERSION_hoauth2(2,3,0)
+#if MIN_VERSION_hoauth2(2, 6, 0)
+    f = OAuth2.fetchAccessTokenWithAuthMethod OAuth2.ClientSecretPost
+#elif MIN_VERSION_hoauth2(2,3,0)
     f = OAuth2.fetchAccessTokenInternal OAuth2.ClientSecretPost
 #else
     f = OAuth2.fetchAccessToken2
diff --git a/stack-nightly.yaml b/stack-nightly.yaml
index a686e7a..b3bc7fd 100644
--- a/stack-nightly.yaml
+++ b/stack-nightly.yaml
@@ -1,8 +1,11 @@
-resolver: nightly-2022-03-25
+resolver: nightly-2022-12-09
 
 extra-deps:
-  - hoauth2-2.4.0
-  - yesod-auth-1.6.11
-  - yesod-core-1.6.22.0
-  - yesod-form-1.7.0
-  - yesod-persistent-1.6.0.7
+  - hoauth2-2.6.0
+
+# hoauth2 needs upper-bounds relaxed for
+#
+# - memory-0.18.0
+# - text-2.0.1
+#
+allow-newer: true
diff --git a/yesod-auth-oauth2.cabal b/yesod-auth-oauth2.cabal
index 2456f48..1c42526 100644
--- a/yesod-auth-oauth2.cabal
+++ b/yesod-auth-oauth2.cabal
@@ -1,10 +1,10 @@
 cabal-version: 1.18
 
--- This file has been generated from package.yaml by hpack version 0.34.4.
+-- This file has been generated from package.yaml by hpack version 0.35.0.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: d8816664cb0b39ecb9a3775f44bcd9b4787d0af5d0d3f8565786479461e5ae99
+-- hash: 6ff32214308580349bea075f2eb01f97fc72598ea3e9a23f77a3e678d9c2c23a
 
 name:           yesod-auth-oauth2
 version:        0.7.0.2
@@ -108,9 +108,9 @@ executable yesod-auth-oauth2-example
     , yesod
     , yesod-auth >=1.6.0
     , yesod-auth-oauth2
+  default-language: Haskell2010
   if !(flag(example))
     buildable: False
-  default-language: Haskell2010
 
 test-suite test
   type: exitcode-stdio-1.0