diff --git a/ghcjs-perch.cabal b/ghcjs-perch.cabal
--- a/ghcjs-perch.cabal
+++ b/ghcjs-perch.cabal
@@ -3,7 +3,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.3.2
+version:             0.3.3
 
 synopsis:            GHCJS version of Perch library.
 
@@ -19,7 +19,7 @@
 
 maintainer:          heraldhoi@gmail.com
 
-copyright:           Copyright © 2015 Arthut S. Fayzrakhmanov. All rights reserved.
+copyright:           Copyright © 2015-2016 Arthur S. Fayzrakhmanov. All rights reserved.
 
 category:            Web
 
@@ -44,8 +44,8 @@
   -- LANGUAGE extensions used by modules in this package.
   -- other-extensions:
 
-  build-depends:       base         >= 4.7     && < 4.9,
-                       transformers >= 0.4.2.0 && < 0.5
+  build-depends:       base         >= 4.7     && < 5
+                     , transformers >= 0.4.2.0
 
   hs-source-dirs:      src