diff --git a/memcached.cabal b/memcached.cabal
index 758fb49..a2bf3e3 100644
--- a/memcached.cabal
+++ b/memcached.cabal
@@ -16,7 +16,7 @@ tested-with:         GHC==6.8.2, GHC==6.10
 build-depends:
   base >3 && <5,
   network,
-  bytestring >=0.9 && <0.10,
+  bytestring >=0.9 && <0.11,
   utf8-light >=0.4 && <1.0
 
 extra-source-files: