@@ -24,5 +24,5 @@ source-repository head
25 exposed-modules: Data.Syntax
25 exposed-modules: Data.Syntax
26 Data.Syntax.Char
26 Data.Syntax.Char
27− build-depends: base, mono-traversable, lens, semi-iso
27+ build-depends: base >= 4 && < 5, mono-traversable, lens, semi-iso
28 default-language: Haskell2010
28 default-language: Haskell2010