diff --git a/servant.cabal b/servant.cabal
index dcd2f797..6fc60278 100644
--- a/servant.cabal
+++ b/servant.cabal
@@ -29,7 +29,7 @@ library
   -- other-modules:       
   -- other-extensions:    
   build-depends:
-      base >=4 && <5
+      base >=4.7 && <5
     , either
     , aeson
     , bytestring