diff --git a/ihaskell-widgets.cabal b/ihaskell-widgets.cabal
--- a/ihaskell-widgets.cabal
+++ b/ihaskell-widgets.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.2.0.0
+version:             0.2.2.0
 
 -- A short (one-line) description of the package.
 synopsis:            IPython standard widgets for IHaskell.
@@ -95,7 +95,7 @@
   -- other-extensions:    
   
   -- Other library packages from which modules are imported.
-  build-depends:       aeson >=0.7 && < 0.10
+  build-depends:       aeson >=0.7 && < 0.11
                      , base >=4.7 && <4.9
                      , containers >= 0.5
                      , ipython-kernel >= 0.6.1.2