diff --git a/tianbar.cabal b/tianbar.cabal
--- a/tianbar.cabal
+++ b/tianbar.cabal
@@ -1,5 +1,5 @@
 name:                tianbar
-version:             0.1.3.0
+version:             0.1.3.1
 synopsis:            A desktop bar based on WebKit
 description:
   A desktop bar using WebKit for rendering as much as possible.
@@ -15,7 +15,7 @@
 
 executable tianbar
   default-language:    Haskell2010
-  build-depends:       base ==4.6.*
+  build-depends:       base >3 && <5
                      , split ==0.2.*
                      , MissingH ==1.2.*
                      , dbus ==0.10.*
@@ -38,7 +38,7 @@
 
 library
   default-language:    Haskell2010
-  build-depends:       base ==4.6.*
+  build-depends:       base >3 && <5
                      , dbus ==0.10.*
                      , xmonad
                      , xmonad-contrib