diff --git a/posix-paths.cabal b/posix-paths.cabal
--- a/posix-paths.cabal
+++ b/posix-paths.cabal
@@ -1,5 +1,5 @@
 name:		posix-paths
-version:  0.2.1.0
+version:  0.2.1.1
 license:	BSD3
 license-file:	LICENSE
 maintainer:	jwlato@gmail.com
@@ -26,13 +26,13 @@
                         System.Posix.Directory.Traversals,
                         System.Posix.FilePath
     build-depends:      base >= 4.2 && < 4.10,
-                        bytestring >= 0.9.2.0 && < 0.12,
-                        unix >= 2.5 && < 2.8
+                        bytestring >= 0.9.2.0,
+                        unix >= 2.5.1.0
 
 test-suite doctests
     default-language:   Haskell2010
     type:               exitcode-stdio-1.0
-    ghc-options:        -threaded
+    ghc-options:        -Wall -threaded
     main-is:            doctests.hs
     build-depends:      base,
                         bytestring,
@@ -53,11 +53,11 @@
       posix-paths,
       bytestring,
       unix,
-      directory  >= 1.1 && < 1.3,
-      filepath   >= 1.2 && < 1.4,
-      process    >= 1.0 && < 1.3,
-      criterion  >= 0.6 && < 0.9
-  ghc-options: -O2
+      directory  >= 1.1,
+      filepath   >= 1.2,
+      process    >= 1.0,
+      criterion  >= 0.6
+  ghc-options: -Wall -O2
 
 source-repository head
   type:                git