1 files changed, 1 insertions, 0 deletions
diff --git a/src/Data/INat.hs b/src/Data/INat.hs
index 2d65c53..af8f18b 100644
--- a/src/Data/INat.hs
+++ b/src/Data/INat.hs
@@ -4,6 +4,7 @@
 {-# LANGUAGE PolyKinds #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE StandaloneDeriving #-}
+{-# LANGUAGE TypeAbstractions #-}
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeFamilies #-}
 {-# LANGUAGE TypeOperators #-}