diff --git a/mix.exs b/mix.exs
index 008fb20..cd7fb8a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -51,7 +51,7 @@ defmodule Chess.Mixfile do
       {:postgrex, ">= 0.0.0"},
       {:secure_random, "~> 0.5"},
       {:timex_ecto, "~> 3.2"},
-      {:wallaby, "~> 0.20.0", [runtime: false, only: :test]},
+      {:wallaby, "~> 0.21.0", [runtime: false, only: :test]},
     ]
   end
 
diff --git a/mix.lock b/mix.lock
index 25ab5fa..e600551 100644
--- a/mix.lock
+++ b/mix.lock
@@ -21,7 +21,7 @@
   "gettext": {:hex, :gettext, "0.16.1", "e2130b25eebcbe02bb343b119a07ae2c7e28bd4b146c4a154da2ffb2b3507af2", [:mix], [], "hexpm"},
   "guardian": {:hex, :guardian, "1.1.1", "be14c4007eaf05268251ae114030cb7237ed9a9631c260022f020164ff4ed733", [:mix], [{:jose, "~> 1.8", [hex: :jose, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.0 or ~> 1.2 or ~> 1.3", [hex: :phoenix, repo: "hexpm", optional: true]}, {:plug, "~> 1.3.3 or ~> 1.4", [hex: :plug, repo: "hexpm", optional: true]}, {:poison, "~> 2.2 or ~> 3.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm"},
   "hackney": {:hex, :hackney, "1.14.3", "b5f6f5dcc4f1fba340762738759209e21914516df6be440d85772542d4a5e412", [:rebar3], [{:certifi, "2.4.2", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "6.0.0", [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, "1.1.4", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}], "hexpm"},
-  "httpoison": {:hex, :httpoison, "0.13.0", "bfaf44d9f133a6599886720f3937a7699466d23bb0cd7a88b6ba011f53c6f562", [:mix], [{:hackney, "~> 1.8", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm"},
+  "httpoison": {:hex, :httpoison, "1.4.0", "e0b3c2ad6fa573134e42194d13e925acfa8f89d138bc621ffb7b1989e6d22e73", [:mix], [{:hackney, "~> 1.8", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm"},
   "idna": {:hex, :idna, "6.0.0", "689c46cbcdf3524c44d5f3dde8001f364cd7608a99556d8fbd8239a5798d4c10", [:rebar3], [{:unicode_util_compat, "0.4.1", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm"},
   "jason": {:hex, :jason, "1.1.2", "b03dedea67a99223a2eaf9f1264ce37154564de899fd3d8b9a21b1a6fd64afe7", [:mix], [{:decimal, "~> 1.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm"},
   "jose": {:hex, :jose, "1.8.4", "7946d1e5c03a76ac9ef42a6e6a20001d35987afd68c2107bcd8f01a84e75aa73", [:mix, :rebar3], [{:base64url, "~> 0.0.1", [hex: :base64url, repo: "hexpm", optional: false]}], "hexpm"},
@@ -45,5 +45,5 @@
   "timex_ecto": {:hex, :timex_ecto, "3.3.0", "d5bdef09928e7a60f10a0baa47ce653f29b43d6fee87b30b236b216d0e36b98d", [:mix], [{:ecto, "~> 2.2", [hex: :ecto, repo: "hexpm", optional: false]}, {:timex, "~> 3.1", [hex: :timex, repo: "hexpm", optional: false]}], "hexpm"},
   "tzdata": {:hex, :tzdata, "0.5.19", "7962a3997bf06303b7d1772988ede22260f3dae1bf897408ebdac2b4435f4e6a", [:mix], [{:hackney, "~> 1.0", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm"},
   "unicode_util_compat": {:hex, :unicode_util_compat, "0.4.1", "d869e4c68901dd9531385bb0c8c40444ebf624e60b6962d95952775cac5e90cd", [:rebar3], [], "hexpm"},
-  "wallaby": {:hex, :wallaby, "0.20.0", "cc6663555ff7b05afbebb2a8b461d18a5b321658b9017f7bc77d494b7063266a", [:mix], [{:httpoison, "~> 0.12", [hex: :httpoison, repo: "hexpm", optional: false]}, {:poison, ">= 1.4.0", [hex: :poison, repo: "hexpm", optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: false]}], "hexpm"},
+  "wallaby": {:hex, :wallaby, "0.21.0", "87b1f5b7fda6d405f29991cabb58b03e8e548a483ef952e84ecedc68978b22a7", [:mix], [{:httpoison, "~> 0.12 or ~> 1.0", [hex: :httpoison, repo: "hexpm", optional: false]}, {:poison, ">= 1.4.0", [hex: :poison, repo: "hexpm", optional: false]}, {:poolboy, "~> 1.5", [hex: :poolboy, repo: "hexpm", optional: false]}], "hexpm"},
 }