@@ -155,7 +155,7 @@ Library
155155 bytestring >= 0.9, zip-archive >= 0.1.1,
156156 utf8-string >= 0.3, old-time >= 1
157157 if impl(ghc >= 6.10)
158− Build-depends: base >= 4, syb
158+ Build-depends: base >= 4 && < 5, syb
159159 else
160160 Build-depends: base >= 3 && < 4
161161 if flag(highlighting)