diff --git a/mix.exs b/mix.exs
index d55c66b..86f678c 100644
--- a/mix.exs
+++ b/mix.exs
@@ -13,7 +13,7 @@ defmodule LoggerLogstashBackend.Mixfile do
   end
 
   def application do
-    [applications: [:logger]]
+    [applications: [:logger, :tzdata]]
   end
 
   defp deps do
@@ -21,7 +21,7 @@ defmodule LoggerLogstashBackend.Mixfile do
       {:earmark, "~> 0.1", only: :dev},
       {:ex_doc, "~> 0.7", only: :dev},
       {:exjsx, "~> 3.1.0"},
-      {:timex, "~> 0.18.1"}
+      {:timex, ">= 1.0.0"}
     ]
   end
 
diff --git a/mix.lock b/mix.lock
index e500b80..3f497c0 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,7 +1,12 @@
-%{"combine": {:hex, :combine, "0.5.2"},
+%{"certifi": {:hex, :certifi, "0.3.0"},
+  "combine": {:hex, :combine, "0.7.0"},
   "earmark": {:hex, :earmark, "0.1.17"},
   "ex_doc": {:hex, :ex_doc, "0.7.3"},
   "exjsx": {:hex, :exjsx, "3.1.0"},
+  "hackney": {:hex, :hackney, "1.4.8"},
+  "idna": {:hex, :idna, "1.0.3"},
   "jsx": {:hex, :jsx, "2.4.0"},
-  "timex": {:hex, :timex, "0.18.2"},
-  "tzdata": {:hex, :tzdata, "0.1.7"}}
+  "mimerl": {:hex, :mimerl, "1.0.2"},
+  "ssl_verify_hostname": {:hex, :ssl_verify_hostname, "1.0.5"},
+  "timex": {:hex, :timex, "1.0.0"},
+  "tzdata": {:hex, :tzdata, "0.5.6"}}