@@ -25,7 +25,7 @@ library
2525 GeneralizedNewtypeDeriving,
2626 DeriveTraversable,
2727 DeriveDataTypeable
28− build-depends: base >=4.7 && <4.10,
28+ build-depends: base >=4.5 && <4.10,
2929 deepseq >=1.3 && <1.5,
3030 containers >=0.5 && <0.6,
3131 unordered-containers >= 0.2 && < 0.3,