diff --git a/mix.exs b/mix.exs
index 55a2aeba..466b0359 100644
--- a/mix.exs
+++ b/mix.exs
@@ -45,7 +45,7 @@ defmodule Philomena.MixProject do
       {:plug_cowboy, "~> 2.0"},
       {:phoenix_slime, "~> 0.12.0"},
       {:ecto_network, "~> 1.1"},
-      {:pow, "~> 1.0.17"},
+      {:pow, github: "danschultzer/pow", ref: "set-global-lock"},
       {:bcrypt_elixir, "~> 2.0"},
       {:pot, "~> 0.10.1"},
       {:secure_compare, "~> 0.1.0"},
diff --git a/mix.lock b/mix.lock
index e871d962..261f5604 100644
--- a/mix.lock
+++ b/mix.lock
@@ -45,13 +45,13 @@
   "phoenix_mtm": {:hex, :phoenix_mtm, "1.0.0", "36a2292f84f0712aa4fa029cb6618d9388371d70951b0269bdf372df576aab56", [:mix], [{:ecto, "~> 3.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:ecto_sql, "~> 3.0", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.0", [hex: :phoenix_html, repo: "hexpm", optional: false]}, {:postgrex, ">= 0.0.0", [hex: :postgrex, repo: "hexpm", optional: true]}], "hexpm", "ab2126fb6079e391874fb2e089a4e5658ab3e9bc88fa0ab94f14fdc1eb8be957"},
   "phoenix_pubsub": {:hex, :phoenix_pubsub, "1.1.2", "496c303bdf1b2e98a9d26e89af5bba3ab487ba3a3735f74bf1f4064d2a845a3e", [:mix], [], "hexpm", "1f13f9f0f3e769a667a6b6828d29dec37497a082d195cc52dbef401a9b69bf38"},
   "phoenix_slime": {:hex, :phoenix_slime, "0.12.0", "0d5f2b600b8a69dad361a987fdfc836bc71cdce373ce11abade4f6548880f0bf", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix, "~> 1.4", [hex: :phoenix, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.10", [hex: :phoenix_html, repo: "hexpm", optional: false]}, {:slime, "~> 1.0", [hex: :slime, repo: "hexpm", optional: false]}], "hexpm", "1f2dde158bf74966e3eab390660b1e3e42b6f8166350b1f04db892898d7caafd"},
-  "plug": {:hex, :plug, "1.8.3", "12d5f9796dc72e8ac9614e94bda5e51c4c028d0d428e9297650d09e15a684478", [:mix], [{:mime, "~> 1.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: true]}], "hexpm", "164baaeb382d19beee0ec484492aa82a9c8685770aee33b24ec727a0971b34d0"},
+  "plug": {:hex, :plug, "1.9.0", "8d7c4e26962283ff9f8f3347bd73838e2413fbc38b7bb5467d5924f68f3a5a4a", [:mix], [{:mime, "~> 1.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: true]}], "hexpm", "9902eda2c52ada2a096434682e99a2493f5d06a94d6ac6bcfff9805f952350f1"},
   "plug_cowboy": {:hex, :plug_cowboy, "2.1.2", "8b0addb5908c5238fac38e442e81b6fcd32788eaa03246b4d55d147c47c5805e", [:mix], [{:cowboy, "~> 2.5", [hex: :cowboy, repo: "hexpm", optional: false]}, {:plug, "~> 1.7", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "7d722581ce865a237e14da6d946f92704101740a256bd13ec91e63c0b122fc70"},
   "plug_crypto": {:hex, :plug_crypto, "1.0.0", "18e49317d3fa343f24620ed22795ec29d4a5e602d52d1513ccea0b07d8ea7d4d", [:mix], [], "hexpm", "73c1682f0e414cfb5d9b95c8e8cd6ffcfdae699e3b05e1db744e58b7be857759"},
   "porcelain": {:git, "https://github.com/walkr/porcelain.git", "4a497495beb8cab7af0d47ae50f720d31a13f039", [ref: "4a49749"]},
   "postgrex": {:hex, :postgrex, "0.15.3", "5806baa8a19a68c4d07c7a624ccdb9b57e89cbc573f1b98099e3741214746ae4", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm", "4737ce62a31747b4c63c12b20c62307e51bb4fcd730ca0c32c280991e0606c90"},
   "pot": {:hex, :pot, "0.10.2", "9895c83bcff8cd22d9f5bc79dfc88a188176b261b618ad70d93faf5c5ca36e67", [:rebar3], [], "hexpm", "ac589a8e296b7802681e93cd0a436faec117ea63e9916709c628df31e17e91e2"},
-  "pow": {:hex, :pow, "1.0.17", "b304a222b7d1f08b80c755e24a922b87385731b92cc23270a6f58de66f98d1ca", [:mix], [{:ecto, "~> 2.2 or ~> 3.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.3.0 or ~> 1.4.0", [hex: :phoenix, repo: "hexpm", optional: false]}, {:phoenix_html, ">= 2.0.0 and <= 3.0.0", [hex: :phoenix_html, repo: "hexpm", optional: false]}, {:plug, ">= 1.5.0 and < 2.0.0", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm", "eb42c75348154ec6f05698d6eec11c1b6eab353bc45c9c56abcc818768b7036e"},
+  "pow": {:git, "https://github.com/danschultzer/pow.git", "0cb51eb3ddbd8ce749b295e7ec3442f3634472c0", [ref: "set-global-lock"]},
   "qrcode": {:hex, :qrcode, "0.1.5", "551271830515c150f34568345b060c625deb0e6691db2a01b0a6de3aafc93886", [:mix], [], "hexpm", "a266b7fb7be0d3b713912055dde3575927eca920e5d604ded45cd534f6b7a447"},
   "ranch": {:hex, :ranch, "1.7.1", "6b1fab51b49196860b733a49c07604465a47bdb78aa10c1c16a3d199f7f8c881", [:rebar3], [], "hexpm", "451d8527787df716d99dc36162fca05934915db0b6141bbdac2ea8d3c7afc7d7"},
   "redix": {:hex, :redix, "0.10.4", "b87c1728e02dd8bad0e8ed2a97c4855d9677dfcefb293800fdb1ca726278ea27", [:mix], [{:castore, "~> 0.1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "cdf44832b01286f594846d8858866b4ee006c056b027d15557e17b0df9203584"},