--- a/cabal-install.cabal
+++ b/cabal-install.cabal
@@ -261,7 +261,7 @@
       -- newer directory for symlinks
       build-depends: Win32 >= 2.8 && < 3, directory >=1.3.1.0
     else
-      build-depends: unix >= 2.5 && < 2.8 || >= 2.8.6.0 && < 2.9
+      build-depends: unix >= 2.5 && < 2.9
 
     if flag(lukko)
       build-depends: lukko >= 0.1 && <0.2