diff --git a/lib/v8/to.rb b/lib/v8/to.rb
index dc23ed4..5c27df5 100644
--- a/lib/v8/to.rb
+++ b/lib/v8/to.rb
@@ -41,6 +41,12 @@ module V8
               a.Set(i, To.v8(item))
             end
           end
+        when ::Hash
+          C::Object::New().tap do |o|
+            value.each do |key, value|
+              o.Set(To.v8(key), To.v8(value))
+            end
+          end
         when nil,Numeric
           value
         else
diff --git a/spec/redjs b/spec/redjs
index b741908..4cfdb1c 160000
--- a/spec/redjs
+++ b/spec/redjs
@@ -1 +1 @@
-Subproject commit b74190886c2a7c8ff33fc4d927162d068fc9802e
+Subproject commit 4cfdb1cd934d27d8e8d38bb99871036884a26d39