diff --git a/json-rpc-server.cabal b/json-rpc-server.cabal
--- a/json-rpc-server.cabal
+++ b/json-rpc-server.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                json-rpc-server
-version:             0.2.0.0
+version:             0.2.1.0
 license:             MIT
 license-file:        LICENSE
 category:            Network, JSON
@@ -42,7 +42,7 @@
                        bytestring >=0.9 && <0.11,
                        mtl >=2.2.1 && <2.3,
                        text >=0.11 && <1.3,
-                       vector >=0.7.1 && <0.11,
+                       vector >=0.7.1 && <0.12,
                        unordered-containers >=0.1 && <0.3
   hs-source-dirs:      src
   ghc-options:         -Wall
@@ -72,6 +72,6 @@
                        bytestring >=0.9 && <0.11,
                        mtl >=2.2.1 && <2.3,
                        text >=0.11 && <1.3,
-                       vector >=0.7.1 && <0.11,
+                       vector >=0.7.1 && <0.12,
                        unordered-containers >=0.1 && <0.3
   ghc-options:         -Wall