--- a/yesod-auth.cabal
+++ b/yesod-auth.cabal
@@ -23,7 +23,6 @@ library
     default-language: Haskell2010
     build-depends:   base                    >= 4.10      && < 5
                    , aeson                   >= 0.7
-                   , attoparsec-aeson        >= 2.1
                    , authenticate            >= 1.3.4
                    , base16-bytestring
                    , base64-bytestring
