diff --git a/Shu-thing.cabal b/Shu-thing.cabal
--- a/Shu-thing.cabal
+++ b/Shu-thing.cabal
@@ -1,5 +1,5 @@
 name:                Shu-thing
-version:             1.1.1
+version:             1.1.2
 
 license:             BSD3
 license-file:        LICENSE
@@ -15,7 +15,7 @@
                      Darcs repo available at <http://code.haskell.org/shu-thing/>.
 homepage:            http://www.geocities.jp/takascience/index_en.html
 
-build-depends:       base, GLUT
+build-depends:       base<4, GLUT
 
 build-type:          Simple
 tested-with:         GHC==6.8.2