--- a/cabal-install.cabal
+++ b/cabal-install.cabal
@@ -275,7 +275,7 @@
         , directory >=1.3.1.0
     else
       build-depends:
-        , unix >= 2.5 && < 2.8 || >= 2.8.6.0 && < 2.9
+        , unix >= 2.5 && < 2.9
 
     if flag(lukko)
       build-depends: