diff --git a/lib/cronex/every.ex b/lib/cronex/every.ex
index db0c23a..6e88446 100644
--- a/lib/cronex/every.ex
+++ b/lib/cronex/every.ex
@@ -1,4 +1,5 @@
 defmodule Cronex.Every do
+  require IEx
   @moduledoc """
   This module defines scheduling macros.
   """
@@ -94,6 +95,26 @@ defmodule Cronex.Every do
     end
   end
 
+  defmacro every(arg1, [at: time] = arg2, [do: block] = job)
+    when is_list(arg1) and is_bitstring(time) do
+    Enum.map arg1, fn item ->
+      job_name = String.to_atom("job_every_#{item}_at_#{time}")
+      quote do
+        @jobs unquote(job_name)
+
+        @doc false
+        def unquote(job_name)() do
+          Cronex.Job.new(
+            unquote(item),
+            unquote(time),
+            fn -> unquote(block) end
+          )
+          |> Cronex.Job.validate!
+        end
+      end
+    end
+  end
+
   defmacro every(arg1, arg2, [do: block] = _job)
     when is_integer(arg1) and is_atom(arg2) do
     job_name = String.to_atom("job_every_#{arg1}_#{arg2}")
diff --git a/lib/cronex/table.ex b/lib/cronex/table.ex
index 7bf3270..a913a81 100644
--- a/lib/cronex/table.ex
+++ b/lib/cronex/table.ex
@@ -130,6 +130,6 @@ defmodule Cronex.Table do
   end
 
   defp ping_interval do
-    Application.get_env(:cronex, :ping_interval, 30000)
+    Application.get_env(:cronex, :ping_interval, 60000)
   end
 end
diff --git a/mix.exs b/mix.exs
index 6efae13..6c3c9f3 100644
--- a/mix.exs
+++ b/mix.exs
@@ -5,7 +5,7 @@ defmodule Cronex.Mixfile do
     [app: :cronex,
      version: "0.4.0",
 
-     elixir: "~> 1.5.2",
+     elixir: "~> 1.6",
      build_embedded: Mix.env == :prod,
      start_permanent: Mix.env == :prod,