diff --git a/README.md b/README.md
index f0f00fb..f24ba23 100644
--- a/README.md
+++ b/README.md
@@ -12,30 +12,30 @@ ExponentServerSdk is currently able to push single and multiple messages to the
 
 All HTTPoison Post Request body are automatically GZIP compressed
 
-You can install it from Hex:
+Add to your dependencies in `mix.exs`:
 
 ```elixir
 def deps do
-  [{:exponent_server_sdk, "~> 0.2.0"}]
+  [
+    {:exponent_server_sdk, "~> 0.2.0"}
+  ]
 end
 ```
 
-Or from Github:
+Or to use the latest from GitHub:
 
 ```elixir
 def deps do
-  [{:exponent_server_sdk, github: "rdrop/exponent-server-sdk-elixir"}]
+  [
+    {:exponent_server_sdk, github: "rdrop/exponent-server-sdk-elixir"}
+  ]
 end
 ```
 
-and run `mix deps.get`.
+Then run:
 
-Now, list the `:exponent_server_sdk` application as your application dependency:
-
-```elixir
-def application do
-  [applications: [:exponent_server_sdk]]
-end
+```bash
+mix deps.get
 ```
 
 ## Usage
diff --git a/lib/exponent_server_sdk/parser.ex b/lib/exponent_server_sdk/parser.ex
index 854a831..75bc88c 100644
--- a/lib/exponent_server_sdk/parser.ex
+++ b/lib/exponent_server_sdk/parser.ex
@@ -1,6 +1,6 @@
 defmodule ExponentServerSdk.Parser do
   @moduledoc """
-  A JSON parser tuned specifically for Expo Push Notification API responses. Based on Poison's
+  A JSON parser tuned specifically for Expo Push Notification API responses. Based on Jason's
   excellent JSON decoder.
   """
 
@@ -27,7 +27,7 @@ defmodule ExponentServerSdk.Parser do
   @spec parse(HTTPoison.Response.t()) :: success | error
   def parse(response) do
     handle_errors(response, fn body ->
-      {:ok, json} = Poison.decode(body)
+      {:ok, json} = Jason.decode(body)
       json["data"]
     end)
   end
@@ -47,7 +47,7 @@ defmodule ExponentServerSdk.Parser do
   @spec parse_list(HTTPoison.Response.t()) :: success_list | error
   def parse_list(response) do
     handle_errors(response, fn body ->
-      {:ok, json} = Poison.decode(body)
+      {:ok, json} = Jason.decode(body)
       json["data"]
     end)
   end
@@ -62,7 +62,7 @@ defmodule ExponentServerSdk.Parser do
         :ok
 
       %{body: body, status_code: status} ->
-        {:ok, json} = Poison.decode(body)
+        {:ok, json} = Jason.decode(body)
         {:error, json["errors"], status}
     end
   end
diff --git a/lib/exponent_server_sdk/push_notification.ex b/lib/exponent_server_sdk/push_notification.ex
index b7939ec..817bb07 100644
--- a/lib/exponent_server_sdk/push_notification.ex
+++ b/lib/exponent_server_sdk/push_notification.ex
@@ -80,11 +80,11 @@ defmodule ExponentServerSdk.PushNotification do
   end
 
   @doc """
-  Automatically process the request body using Poison JSON and GZip.
+  Automatically process the request body using Jason JSON and GZip.
   """
   def process_request_body(body) do
     body
-    |> Poison.encode!()
+    |> Jason.encode!()
     |> :zlib.gzip()
   end
 end
diff --git a/mix.exs b/mix.exs
index e4f0c04..efe444d 100644
--- a/mix.exs
+++ b/mix.exs
@@ -5,7 +5,7 @@ defmodule ExponentServerSdk.Mixfile do
     [
       app: :exponent_server_sdk,
       version: "0.2.0",
-      elixir: "~> 1.7.2",
+      elixir: "~> 1.14",
       name: "ExponentServerSdk",
       description: "Exponent Push Notification API library for Elixir",
       source_url: "https://github.com/rdrop/exponent-server-sdk-elixir",
@@ -16,18 +16,16 @@ defmodule ExponentServerSdk.Mixfile do
   end
 
   def application do
-    [applications: [:logger, :httpoison, :poison]]
+    [extra_applications: [:logger]]
   end
 
   defp deps do
     [
-      {:httpoison, ">= 1.2.0"},
-      {:poison, "~> 3.1.0"},
-      {:dialyze, "~> 0.2.1", only: [:dev, :test]},
-      {:credo, "~> 0.10.0", only: [:dev, :test]},
+      {:httpoison, "~> 2.0"},
+      {:jason, "~> 1.4"},
+      {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
       {:mock, "~> 0.3.2", only: :test},
-      {:ex_doc, ">= 0.0.0", only: [:dev, :test]},
-      {:inch_ex, ">= 0.0.0", only: [:dev, :test]}
+      {:ex_doc, "~> 0.31", only: [:dev, :test], runtime: false}
     ]
   end
 
diff --git a/mix.lock b/mix.lock
index a4146b3..ae28855 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,25 +1,26 @@
 %{
-  "bunt": {:hex, :bunt, "0.2.0", "951c6e801e8b1d2cbe58ebbd3e616a869061ddadcc4863d0a2182541acae9a38", [:mix], [], "hexpm"},
-  "certifi": {:hex, :certifi, "2.3.1", "d0f424232390bf47d82da8478022301c561cf6445b5b5fb6a84d49a9e76d2639", [:rebar3], [{:parse_trans, "3.2.0", [hex: :parse_trans, repo: "hexpm", optional: false]}], "hexpm"},
-  "credo": {:hex, :credo, "0.10.0", "66234a95effaf9067edb19fc5d0cd5c6b461ad841baac42467afed96c78e5e9e", [:mix], [{:bunt, "~> 0.2.0", [hex: :bunt, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm"},
-  "dialyze": {:hex, :dialyze, "0.2.1", "9fb71767f96649020d769db7cbd7290059daff23707d6e851e206b1fdfa92f9d", [:mix], [], "hexpm"},
-  "earmark": {:hex, :earmark, "1.2.5", "4d21980d5d2862a2e13ec3c49ad9ad783ffc7ca5769cf6ff891a4553fbaae761", [:mix], [], "hexpm"},
-  "ex_doc": {:hex, :ex_doc, "0.19.1", "519bb9c19526ca51d326c060cb1778d4a9056b190086a8c6c115828eaccea6cf", [:mix], [{:earmark, "~> 1.1", [hex: :earmark, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.7", [hex: :makeup_elixir, repo: "hexpm", optional: false]}], "hexpm"},
-  "hackney": {:hex, :hackney, "1.13.0", "24edc8cd2b28e1c652593833862435c80661834f6c9344e84b6a2255e7aeef03", [:rebar3], [{:certifi, "2.3.1", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "5.1.2", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "1.0.1", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "1.0.2", [hex: :mimerl, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "1.1.1", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}], "hexpm"},
-  "httpoison": {:hex, :httpoison, "1.2.0", "2702ed3da5fd7a8130fc34b11965c8cfa21ade2f232c00b42d96d4967c39a3a3", [:mix], [{:hackney, "~> 1.8", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm"},
-  "idna": {:hex, :idna, "5.1.2", "e21cb58a09f0228a9e0b95eaa1217f1bcfc31a1aaa6e1fdf2f53a33f7dbd9494", [:rebar3], [{:unicode_util_compat, "0.3.1", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm"},
-  "inch_ex": {:hex, :inch_ex, "1.0.0", "18496a900ca4b7542a1ff1159e7f8be6c2012b74ca55ac70de5e805f14cdf939", [:mix], [{:poison, "~> 1.5 or ~> 2.0 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm"},
+  "bunt": {:hex, :bunt, "1.0.0", "081c2c665f086849e6d57900292b3a161727ab40431219529f13c4ddcf3e7a44", [:mix], [], "hexpm", "dc5f86aa08a5f6fa6b8096f0735c4e76d54ae5c9fa2c143e5a1fc7c1cd9bb6b5"},
+  "certifi": {:hex, :certifi, "2.15.0", "0e6e882fcdaaa0a5a9f2b3db55b1394dba07e8d6d9bcad08318fb604c6839712", [:rebar3], [], "hexpm", "b147ed22ce71d72eafdad94f055165c1c182f61a2ff49df28bcc71d1d5b94a60"},
+  "credo": {:hex, :credo, "1.7.13", "126a0697df6b7b71cd18c81bc92335297839a806b6f62b61d417500d1070ff4e", [:mix], [{:bunt, "~> 0.2.1 or ~> 1.0", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2 or ~> 1.0", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "47641e6d2bbff1e241e87695b29f617f1a8f912adea34296fb10ecc3d7e9e84f"},
+  "earmark": {:hex, :earmark, "1.2.5", "4d21980d5d2862a2e13ec3c49ad9ad783ffc7ca5769cf6ff891a4553fbaae761", [:mix], [], "hexpm", "c57508ddad47dfb8038ca6de1e616e66e9b87313220ac5d9817bc4a4dc2257b9"},
+  "earmark_parser": {:hex, :earmark_parser, "1.4.44", "f20830dd6b5c77afe2b063777ddbbff09f9759396500cdbe7523efd58d7a339c", [:mix], [], "hexpm", "4778ac752b4701a5599215f7030989c989ffdc4f6df457c5f36938cc2d2a2750"},
+  "ex_doc": {:hex, :ex_doc, "0.39.1", "e19d356a1ba1e8f8cfc79ce1c3f83884b6abfcb79329d435d4bbb3e97ccc286e", [:mix], [{:earmark_parser, "~> 1.4.44", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.0", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14 or ~> 1.0", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1 or ~> 1.0", [hex: :makeup_erlang, repo: "hexpm", optional: false]}, {:makeup_html, ">= 0.1.0", [hex: :makeup_html, repo: "hexpm", optional: true]}], "hexpm", "8abf0ed3e3ca87c0847dfc4168ceab5bedfe881692f1b7c45f4a11b232806865"},
+  "file_system": {:hex, :file_system, "1.1.1", "31864f4685b0148f25bd3fbef2b1228457c0c89024ad67f7a81a3ffbc0bbad3a", [:mix], [], "hexpm", "7a15ff97dfe526aeefb090a7a9d3d03aa907e100e262a0f8f7746b78f8f87a5d"},
+  "hackney": {:hex, :hackney, "1.25.0", "390e9b83f31e5b325b9f43b76e1a785cbdb69b5b6cd4e079aa67835ded046867", [:rebar3], [{:certifi, "~> 2.15.0", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "~> 6.1.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "~> 1.0.0", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "~> 1.4", [hex: :mimerl, repo: "hexpm", optional: false]}, {:parse_trans, "3.4.1", [hex: :parse_trans, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "~> 1.1.0", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}, {:unicode_util_compat, "~> 0.7.1", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "7209bfd75fd1f42467211ff8f59ea74d6f2a9e81cbcee95a56711ee79fd6b1d4"},
+  "httpoison": {:hex, :httpoison, "2.2.3", "a599d4b34004cc60678999445da53b5e653630651d4da3d14675fedc9dd34bd6", [:mix], [{:hackney, "~> 1.21", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm", "fa0f2e3646d3762fdc73edb532104c8619c7636a6997d20af4003da6cfc53e53"},
+  "idna": {:hex, :idna, "6.1.1", "8a63070e9f7d0c62eb9d9fcb360a7de382448200fbbd1b106cc96d3d8099df8d", [:rebar3], [{:unicode_util_compat, "~> 0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "92376eb7894412ed19ac475e4a86f7b413c1b9fbb5bd16dccd57934157944cea"},
   "inflex": {:hex, :inflex, "1.10.0", "8366a7696e70e1813aca102e61274addf85d99f4a072b2f9c7984054ea1b9d29", [:mix], [], "hexpm"},
-  "jason": {:hex, :jason, "1.1.1", "d3ccb840dfb06f2f90a6d335b536dd074db748b3e7f5b11ab61d239506585eb2", [:mix], [{:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm"},
-  "makeup": {:hex, :makeup, "0.5.1", "966c5c2296da272d42f1de178c1d135e432662eca795d6dc12e5e8787514edf7", [:mix], [{:nimble_parsec, "~> 0.2.2", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm"},
-  "makeup_elixir": {:hex, :makeup_elixir, "0.8.0", "1204a2f5b4f181775a0e456154830524cf2207cf4f9112215c05e0b76e4eca8b", [:mix], [{:makeup, "~> 0.5.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 0.2.2", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm"},
-  "meck": {:hex, :meck, "0.8.12", "1f7b1a9f5d12c511848fec26bbefd09a21e1432eadb8982d9a8aceb9891a3cf2", [:rebar3], [], "hexpm"},
-  "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [:rebar3], [], "hexpm"},
-  "mimerl": {:hex, :mimerl, "1.0.2", "993f9b0e084083405ed8252b99460c4f0563e41729ab42d9074fd5e52439be88", [:rebar3], [], "hexpm"},
-  "mock": {:hex, :mock, "0.3.2", "e98e998fd76c191c7e1a9557c8617912c53df3d4a6132f561eb762b699ef59fa", [:mix], [{:meck, "~> 0.8.8", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm"},
-  "nimble_parsec": {:hex, :nimble_parsec, "0.2.2", "d526b23bdceb04c7ad15b33c57c4526bf5f50aaa70c7c141b4b4624555c68259", [:mix], [], "hexpm"},
-  "parse_trans": {:hex, :parse_trans, "3.2.0", "2adfa4daf80c14dc36f522cf190eb5c4ee3e28008fc6394397c16f62a26258c2", [:rebar3], [], "hexpm"},
-  "poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [:mix], [], "hexpm"},
-  "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.1", "28a4d65b7f59893bc2c7de786dec1e1555bd742d336043fe644ae956c3497fbe", [:make, :rebar], [], "hexpm"},
-  "unicode_util_compat": {:hex, :unicode_util_compat, "0.3.1", "a1f612a7b512638634a603c8f401892afbf99b8ce93a45041f8aaca99cadb85e", [:rebar3], [], "hexpm"},
+  "jason": {:hex, :jason, "1.4.4", "b9226785a9aa77b6857ca22832cffa5d5011a667207eb2a0ad56adb5db443b8a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "c5eb0cab91f094599f94d55bc63409236a8ec69a21a67814529e8d5f6cc90b3b"},
+  "makeup": {:hex, :makeup, "1.2.1", "e90ac1c65589ef354378def3ba19d401e739ee7ee06fb47f94c687016e3713d1", [:mix], [{:nimble_parsec, "~> 1.4", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "d36484867b0bae0fea568d10131197a4c2e47056a6fbe84922bf6ba71c8d17ce"},
+  "makeup_elixir": {:hex, :makeup_elixir, "1.0.1", "e928a4f984e795e41e3abd27bfc09f51db16ab8ba1aebdba2b3a575437efafc2", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "7284900d412a3e5cfd97fdaed4f5ed389b8f2b4cb49efc0eb3bd10e2febf9507"},
+  "makeup_erlang": {:hex, :makeup_erlang, "1.0.2", "03e1804074b3aa64d5fad7aa64601ed0fb395337b982d9bcf04029d68d51b6a7", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "af33ff7ef368d5893e4a267933e7744e46ce3cf1f61e2dccf53a111ed3aa3727"},
+  "meck": {:hex, :meck, "0.9.2", "85ccbab053f1db86c7ca240e9fc718170ee5bda03810a6292b5306bf31bae5f5", [:rebar3], [], "hexpm", "81344f561357dc40a8344afa53767c32669153355b626ea9fcbc8da6b3045826"},
+  "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [:rebar3], [], "hexpm", "69b09adddc4f74a40716ae54d140f93beb0fb8978d8636eaded0c31b6f099f16"},
+  "mimerl": {:hex, :mimerl, "1.4.0", "3882a5ca67fbbe7117ba8947f27643557adec38fa2307490c4c4207624cb213b", [:rebar3], [], "hexpm", "13af15f9f68c65884ecca3a3891d50a7b57d82152792f3e19d88650aa126b144"},
+  "mock": {:hex, :mock, "0.3.9", "10e44ad1f5962480c5c9b9fa779c6c63de9bd31997c8e04a853ec990a9d841af", [:mix], [{:meck, "~> 0.9.2", [hex: :meck, repo: "hexpm", optional: false]}], "hexpm", "9e1b244c4ca2551bb17bb8415eed89e40ee1308e0fbaed0a4fdfe3ec8a4adbd3"},
+  "nimble_parsec": {:hex, :nimble_parsec, "1.4.2", "8efba0122db06df95bfaa78f791344a89352ba04baedd3849593bfce4d0dc1c6", [:mix], [], "hexpm", "4b21398942dda052b403bbe1da991ccd03a053668d147d53fb8c4e0efe09c973"},
+  "parse_trans": {:hex, :parse_trans, "3.4.1", "6e6aa8167cb44cc8f39441d05193be6e6f4e7c2946cb2759f015f8c56b76e5ff", [:rebar3], [], "hexpm", "620a406ce75dada827b82e453c19cf06776be266f5a67cff34e1ef2cbb60e49a"},
+  "poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [:mix], [], "hexpm", "fec8660eb7733ee4117b85f55799fd3833eb769a6df71ccf8903e8dc5447cfce"},
+  "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.7", "354c321cf377240c7b8716899e182ce4890c5938111a1296add3ec74cf1715df", [:make, :mix, :rebar3], [], "hexpm", "fe4c190e8f37401d30167c8c405eda19469f34577987c76dde613e838bbc67f8"},
+  "unicode_util_compat": {:hex, :unicode_util_compat, "0.7.1", "a48703a25c170eedadca83b11e88985af08d35f37c6f664d6dcfb106a97782fc", [:rebar3], [], "hexpm", "b3a917854ce3ae233619744ad1e0102e05673136776fb2fa76234f3e03b23642"},
 }
diff --git a/test/exponent_server_sdk/push_notification_test.exs b/test/exponent_server_sdk/push_notification_test.exs
index f8f3078..7ad8e82 100644
--- a/test/exponent_server_sdk/push_notification_test.exs
+++ b/test/exponent_server_sdk/push_notification_test.exs
@@ -24,9 +24,12 @@ defmodule ExponentServerSdk.PushNotificationTest do
         {:ok,
          %{
            "status" => "error",
-           "details" => %{"error" => "DeviceNotRegistered"},
+           "details" => %{
+             "error" => "DeviceNotRegistered",
+             "expoPushToken" => "ExponentPushToken[XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX]"
+           },
            "message" =>
-             "\"ExponentPushToken[XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX]\" is not a registered push notification recipient"
+             "\"ExponentPushToken[XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX]\" is not a valid Expo push token"
          }}
 
       assert expected == PushNotification.push(message_map)
@@ -69,15 +72,21 @@ defmodule ExponentServerSdk.PushNotificationTest do
          [
            %{
              "status" => "error",
-             "details" => %{"error" => "DeviceNotRegistered"},
+             "details" => %{
+               "error" => "DeviceNotRegistered",
+               "expoPushToken" => "ExponentPushToken[XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX]"
+             },
              "message" =>
-               "\"ExponentPushToken[XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX]\" is not a registered push notification recipient"
+               "\"ExponentPushToken[XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX]\" is not a valid Expo push token"
            },
            %{
              "status" => "error",
-             "details" => %{"error" => "DeviceNotRegistered"},
+             "details" => %{
+               "error" => "DeviceNotRegistered",
+               "expoPushToken" => "ExponentPushToken[YYYYYYYY-YYYY-YYYY-YYYY-YYYYYYYYYYYY]"
+             },
              "message" =>
-               "\"ExponentPushToken[YYYYYYYY-YYYY-YYYY-YYYY-YYYYYYYYYYYY]\" is not a registered push notification recipient"
+               "\"ExponentPushToken[YYYYYYYY-YYYY-YYYY-YYYY-YYYYYYYYYYYY]\" is not a valid Expo push token"
            }
          ]}
 
diff --git a/test/test_helper.exs b/test/test_helper.exs
index e4d51b4..da4b3a9 100644
--- a/test/test_helper.exs
+++ b/test/test_helper.exs
@@ -18,7 +18,7 @@ defmodule TestHelper do
   end
 
   def json_response(map, status) do
-    {:ok, json} = Poison.encode(map)
+    {:ok, json} = Jason.encode(map)
     %{body: json, status_code: status}
   end
 end