diff --git a/apps/admin/mix.exs b/apps/admin/mix.exs
index 26c793ae..2eae2ec8 100644
--- a/apps/admin/mix.exs
+++ b/apps/admin/mix.exs
@@ -14,7 +14,8 @@ defmodule Admin.MixProject do
       compilers: [:phoenix, :gettext] ++ Mix.compilers(),
       start_permanent: Mix.env() == :prod,
       aliases: aliases(),
-      deps: deps()
+      deps: deps(),
+      test_coverage: [tool: ExCoveralls],
     ]
   end
 
@@ -39,6 +40,7 @@ defmodule Admin.MixProject do
     [
       {:auth_web, in_umbrella: true},
       {:ecto_sql, "~> 3.4"},
+      {:excoveralls, "~> 0.10", only: [:dev, :test]},
       {:kaffy, path: "kaffy"},
       {:phoenix, "~> 1.5.3"},
       {:phoenix_ecto, "~> 4.0"},
diff --git a/apps/app/mix.exs b/apps/app/mix.exs
index 95ea7028..7cba2808 100644
--- a/apps/app/mix.exs
+++ b/apps/app/mix.exs
@@ -14,7 +14,8 @@ defmodule App.MixProject do
       compilers: [:phoenix, :gettext] ++ Mix.compilers(),
       start_permanent: Mix.env() == :prod,
       aliases: aliases(),
-      deps: deps()
+      deps: deps(),
+      test_coverage: [tool: ExCoveralls],
     ]
   end
 
@@ -39,6 +40,7 @@ defmodule App.MixProject do
     [
       {:core, in_umbrella: true},
       {:ecto_sql, "~> 3.4"},
+      {:excoveralls, "~> 0.10", only: [:dev, :test]},
       {:phoenix, "~> 1.5.3"},
       {:phoenix_ecto, "~> 4.0"},
       {:phoenix_html, "~> 2.11"},
diff --git a/apps/auth/mix.exs b/apps/auth/mix.exs
index 6972b082..88958e05 100644
--- a/apps/auth/mix.exs
+++ b/apps/auth/mix.exs
@@ -13,7 +13,8 @@ defmodule Auth.MixProject do
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,
       aliases: aliases(),
-      deps: deps()
+      deps: deps(),
+      test_coverage: [tool: ExCoveralls],
     ]
   end
 
@@ -37,6 +38,7 @@ defmodule Auth.MixProject do
   defp deps do
     [
       {:ex_prompt, "~> 0.1.5"},
+      {:excoveralls, "~> 0.10", only: [:dev, :test]},
       {:phoenix_pubsub, "~> 2.0"},
       {:pow, "~> 1.0.20"},
       {:ecto_sql, "~> 3.4"},
diff --git a/apps/auth_web/mix.exs b/apps/auth_web/mix.exs
index 80709236..4c30175e 100644
--- a/apps/auth_web/mix.exs
+++ b/apps/auth_web/mix.exs
@@ -14,7 +14,8 @@ defmodule AuthWeb.MixProject do
       compilers: [:phoenix, :gettext] ++ Mix.compilers(),
       start_permanent: Mix.env() == :prod,
       aliases: aliases(),
-      deps: deps()
+      deps: deps(),
+      test_coverage: [tool: ExCoveralls],
     ]
   end
 
@@ -39,6 +40,7 @@ defmodule AuthWeb.MixProject do
     [
       {:auth, in_umbrella: true},
       {:core, in_umbrella: true},
+      {:excoveralls, "~> 0.10", only: [:dev, :test]},
       {:phoenix, "~> 1.5.3"},
       {:phoenix_ecto, "~> 4.0"},
       {:phoenix_html, "~> 2.11"},
diff --git a/mix.exs b/mix.exs
index f499ec41..4bd471ce 100644
--- a/mix.exs
+++ b/mix.exs
@@ -19,6 +19,7 @@ defmodule Legendary.Mixfile do
   defp aliases do
     [
       "deps.get": ["cmd mix deps.get"],
+      "coveralls.html": ["cmd MIX_ENV=test mix coveralls.html"],
       "ecto.migrate": ["cmd mix ecto.migrate"],
       "npm.install": ["cmd npm install --prefix assets"],
       test: ["cmd mix test"]