diff --git a/unix.cabal b/unix.cabal
index ad05c76a9f30aa78e42d69ca51a935fdf83351f7..4210ec21e2e5177002f62fa168307867d7e8e9b3 100644
--- a/unix.cabal
+++ b/unix.cabal
@@ -62,7 +62,7 @@ library
         buildable: False
 
     build-depends:
-        base        >= 4.5     && < 4.13,
+        base        >= 4.5     && < 4.14,
         bytestring  >= 0.9.2   && < 0.11,
         time        >= 1.2     && < 1.10