diff --git a/air.cabal b/air.cabal
--- a/air.cabal
+++ b/air.cabal
@@ -1,5 +1,5 @@
 Name:                 air
-Version:              2014.5.19
+Version:              2014.11.17
 Build-type:           Simple
 Synopsis:             air
 Description:          An alternative Haskell Prelude library.
@@ -11,7 +11,7 @@
 category:             Development
 license-file:         LICENSE
 homepage:             https://github.com/nfjinjing/air
-data-files:           readme.md, changelog.md, known-issues.md
+extra-doc-files:      readme.md, changelog.md, known-issues.md
 
 library