diff --git a/warp.cabal b/warp.cabal
--- a/warp.cabal
+++ b/warp.cabal
@@ -1,5 +1,5 @@
 Name:                warp
-Version:             1.3.7
+Version:             1.3.7.1
 Synopsis:            A fast, light-weight web server for WAI applications.
 License:             MIT
 License-file:        LICENSE
@@ -55,12 +55,13 @@
   Ghc-Options:       -Wall
   if os(linux) || os(freebsd) || os(darwin)
       Cpp-Options:   -DSENDFILEFD
-      Build-Depends: unix
-                   , hashable
+      Build-Depends: hashable
       Other-modules: Network.Wai.Handler.Warp.FdCache
                      Network.Wai.Handler.Warp.MultiMap
   if os(windows)
       Cpp-Options:   -DWINDOWS
+  else
+      Build-Depends: unix
 
 Test-Suite spec
     Main-Is:         Spec.hs