diff --git a/mix.lock b/mix.lock
index ec732d1..b06572a 100644
--- a/mix.lock
+++ b/mix.lock
@@ -17,7 +17,7 @@
   "ex_aws": {:hex, :ex_aws, "2.1.6", "41ab8b4caa48035c96d07faa035d2d9de6df480e7e084c054e662ac888dcd4d4", [:mix], [{:configparser_ex, "~> 4.0", [hex: :configparser_ex, repo: "hexpm", optional: true]}, {:hackney, "~> 1.9", [hex: :hackney, repo: "hexpm", optional: true]}, {:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: true]}, {:jsx, "~> 2.8", [hex: :jsx, repo: "hexpm", optional: true]}, {:sweet_xml, "~> 0.6", [hex: :sweet_xml, repo: "hexpm", optional: true]}], "hexpm", "a541bd042c1ee26412bb1e749ddf2a1c327e4fb7e382b1cd227e1b00eed3d469"},
   "ex_aws_sns": {:hex, :ex_aws_sns, "2.1.0", "912a2092c5a028646f04263b0a380e4da74670b77c0647bc68e8d9c282b8e954", [:mix], [{:ex_aws, "~> 2.0", [hex: :ex_aws, repo: "hexpm", optional: false]}], "hexpm", "361638e667d0619ceb55f0b1f85016903014cbbad870e08569340f5504b33607"},
   "ex_doc": {:hex, :ex_doc, "0.23.0", "a069bc9b0bf8efe323ecde8c0d62afc13d308b1fa3d228b65bca5cf8703a529d", [:mix], [{:earmark_parser, "~> 1.4.0", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}], "hexpm", "f5e2c4702468b2fd11b10d39416ddadd2fcdd173ba2a0285ebd92c39827a5a16"},
-  "ex_json_schema": {:hex, :ex_json_schema, "0.7.4", "09eb5b0c8184e5702bc89625a9d0c05c7a0a845d382e9f6f406a0fc1c9a8cc3f", [:mix], [], "hexpm", "45c67fa840f0d719a2b5578126dc29bcdc1f92499c0f61bcb8a3bcb5935f9684"},
+  "ex_json_schema": {:hex, :ex_json_schema, "0.8.1", "d4cf78f318e7eea9ed173b4bb74b24a2d1601a7da5b5a857c07fe3d5da8f7fb6", [:mix], [], "hexpm", "4c870cfd422f6f5f4a6944cffde8eff029ba27b7f4783d94ed0f97ace27811d1"},
   "excoveralls": {:hex, :excoveralls, "0.13.3", "edc5f69218f84c2bf61b3609a22ddf1cec0fbf7d1ba79e59f4c16d42ea4347ed", [:mix], [{:hackney, "~> 1.16", [hex: :hackney, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "cc26f48d2f68666380b83d8aafda0fffc65dafcc8d8650358e0b61f6a99b1154"},
   "gettext": {:hex, :gettext, "0.18.0", "406d6b9e0e3278162c2ae1de0a60270452c553536772167e2d701f028116f870", [:mix], [], "hexpm", "c3f850be6367ebe1a08616c2158affe4a23231c70391050bf359d5f92f66a571"},
   "hackney": {:hex, :hackney, "1.17.0", "717ea195fd2f898d9fe9f1ce0afcc2621a41ecfe137fae57e7fe6e9484b9aa99", [:rebar3], [{:certifi, "~>2.5", [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, "~>1.1", [hex: :mimerl, repo: "hexpm", optional: false]}, {:parse_trans, "~>3.3", [hex: :parse_trans, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "~>1.1.0", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}, {:unicode_util_compat, "~>0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "64c22225f1ea8855f584720c0e5b3cd14095703af1c9fbc845ba042811dc671c"},