diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,20 +0,0 @@
-Copyright (c) 2014 Robert O'Callahan
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/Xlsx/Writer.hs b/Xlsx/Writer.hs
--- a/Xlsx/Writer.hs
+++ b/Xlsx/Writer.hs
@@ -13,7 +13,7 @@
 import Data.Time.Format
 import Data.Time.Clock.POSIX
 import Data.Time.Clock
-import System.Locale
+import Data.Time.Locale.Compat
 import qualified Data.Text as T
 
 contentTypes :: Int -> Markup
diff --git a/xlsior.cabal b/xlsior.cabal
--- a/xlsior.cabal
+++ b/xlsior.cabal
@@ -1,37 +1,30 @@
--- Initial xlsior.cabal generated by cabal init.  For further 
--- documentation, see http://haskell.org/cabal/users-guide/
-
 name:                xlsior
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Streaming Excel file generation and parsing
 description:         Streaming Excel file generation and parsing
 license:             MIT
 license-file:        LICENSE
 author:              rcallahan
 maintainer:          ropoctl@gmail.com
--- copyright:           
+copyright:           2014-2015
 category:            Codec
 build-type:          Simple
--- extra-source-files:  
 cabal-version:       >=1.10
 
 library
   exposed-modules:     Xlsx.Writer, Xlsx.Sheet, Xlsx.Parse, Xlsx.Types
   other-modules:       Xlsx.Types.Internal, Xlsx.Types.Class, Xlsx.Types.Instances
   other-extensions:    OverloadedStrings
-  build-depends:       base >=4.7 && <4.8, zip-archive >=0.2 && <0.3, blaze-markup >=0.6 && <0.7, text, bytestring, time, old-locale, vector, conduit, xml-conduit, data-default, exceptions, conduit-extra, resourcet, xml-types, mtl, attoparsec, scientific
-  -- hs-source-dirs:      
+  build-depends:       base >=4.7 && <5, zip-archive, blaze-markup, text, bytestring, time, vector, conduit, xml-conduit, data-default, exceptions, conduit-extra, resourcet, xml-types, mtl, attoparsec, scientific, time-locale-compat
   default-language:    Haskell2010
-  ghc-options:         -Wall -O2
+  ghc-options:         -Wall
   ghc-prof-options:    -fprof-auto
 
 Test-Suite test
   main-is:             Test.hs
-  type:                 exitcode-stdio-1.0
-  -- other-modules:       
+  type:                exitcode-stdio-1.0
   other-extensions:    OverloadedStrings
-  build-depends:       base >=4.7 && <4.8, zip-archive >=0.2 && <0.3, blaze-markup >=0.6 && <0.7, text, bytestring, time, old-locale
-  -- hs-source-dirs:      
+  build-depends:       base >=4.7 && <5, zip-archive, blaze-markup, text, bytestring, time, time-locale-compat
   default-language:    Haskell2010
-  ghc-options:         -Wall -O2
+  ghc-options:         -Wall
   ghc-prof-options:    -fprof-auto