diff --git a/Cabal/Language/Haskell/Extension.hs b/Cabal/Language/Haskell/Extension.hs
index 413694e329d1b35e895b4009469e38bd907f4f05..921ef8585abcbaee97f25bd47f496ecc7b69c9f8 100644
--- a/Cabal/Language/Haskell/Extension.hs
+++ b/Cabal/Language/Haskell/Extension.hs
@@ -714,6 +714,11 @@ data KnownExtension =
   -- * <http://www.haskell.org/ghc/docs/latest/html/users_guide/other-type-extensions.html#derive-any-class>
   | DeriveAnyClass
 
+  -- | Enable @deriving@ for the 'Language.Haskell.TH.Syntax.Lift' class.
+  --
+  -- * <http://www.haskell.org/ghc/docs/latest/html/users_guide/deriving.html#deriving-lift>
+  | DeriveLift
+
   deriving (Generic, Show, Read, Eq, Ord, Enum, Bounded, Typeable, Data)
 
 instance Binary KnownExtension