diff --git a/apps/cf/config/dev.exs b/apps/cf/config/dev.exs
index 04d8ac1f..e77a62c6 100644
--- a/apps/cf/config/dev.exs
+++ b/apps/cf/config/dev.exs
@@ -25,6 +25,7 @@ config :logger, :console, format: "[$level] $message\n"
 # Set a higher stacktrace during development. Avoid configuring such
 # in production as building large stacktraces may be expensive.
 config :phoenix, :stacktrace_depth, 20
+config :phoenix, :json_library, Jason
 
 # Mails
 config :cf, CF.Mailer, adapter: Bamboo.LocalAdapter
diff --git a/apps/cf_graphql/config/dev.exs b/apps/cf_graphql/config/dev.exs
index ef77ce7d..a5d597d6 100644
--- a/apps/cf_graphql/config/dev.exs
+++ b/apps/cf_graphql/config/dev.exs
@@ -19,3 +19,4 @@ config :logger, :console, format: "[$level] $message\n"
 # Set a higher stacktrace during development. Avoid configuring such
 # in production as building large stacktraces may be expensive.
 config :phoenix, :stacktrace_depth, 20
+config :phoenix, :json_library, Jason
diff --git a/apps/cf_graphql/mix.exs b/apps/cf_graphql/mix.exs
index 2bbfc056..b14311ee 100644
--- a/apps/cf_graphql/mix.exs
+++ b/apps/cf_graphql/mix.exs
@@ -33,8 +33,9 @@ defmodule CF.Graphql.Mixfile do
   defp deps do
     [
       {:phoenix, "~> 1.5.14"},
-      {:plug, "~> 1.7"},
       {:phoenix_pubsub, "~> 2.0"},
+      {:jason, "~> 1.4"},
+      {:plug, "~> 1.7"},
       {:cowboy, "~> 2.0"},
       {:corsica, "~> 2.1"},
       {:absinthe_ecto, "~> 0.1.3"},
diff --git a/apps/cf_rest_api/config/dev.exs b/apps/cf_rest_api/config/dev.exs
index 91f4f420..c944961f 100644
--- a/apps/cf_rest_api/config/dev.exs
+++ b/apps/cf_rest_api/config/dev.exs
@@ -24,3 +24,4 @@ config :cf_rest_api, CF.RestApi.Endpoint,
 # Set a higher stacktrace during development. Avoid configuring such
 # in production as building large stacktraces may be expensive.
 config :phoenix, :stacktrace_depth, 20
+config :phoenix, :json_library, Jason
diff --git a/apps/cf_rest_api/mix.exs b/apps/cf_rest_api/mix.exs
index 696876ed..aa4a58fa 100644
--- a/apps/cf_rest_api/mix.exs
+++ b/apps/cf_rest_api/mix.exs
@@ -42,6 +42,7 @@ defmodule CF.RestApi.Mixfile do
       {:phoenix, "~> 1.5.14", override: true},
       {:phoenix_html, "~> 2.14.3"},
       {:phoenix_pubsub, "~> 2.0"},
+      {:jason, "~> 1.4"},
       {:poison, "~> 3.1"},
       {:scout_apm, "~> 1.0.6"},
       {:plug_cowboy, "~> 2.1"},
diff --git a/apps/cf_reverse_proxy/mix.exs b/apps/cf_reverse_proxy/mix.exs
index b03ff95e..681f6301 100644
--- a/apps/cf_reverse_proxy/mix.exs
+++ b/apps/cf_reverse_proxy/mix.exs
@@ -38,6 +38,7 @@ defmodule CF.ReverseProxy.Mixfile do
       {:cf_graphql, in_umbrella: true},
       {:cf_atom_feed, in_umbrella: true},
       {:phoenix, "~> 1.5.14"},
+      {:jason, "~> 1.4"},
       {:cowboy, "~> 2.0"},
       {:corsica, "~> 2.1"}
     ]