diff --git a/mix.exs b/mix.exs
index 75e70e4..ae381c6 100644
--- a/mix.exs
+++ b/mix.exs
@@ -44,7 +44,7 @@ defmodule DVR.MixProject do
   defp deps do
     [
       {:ex_doc, "~> 0.19", only: :dev, runtime: false},
-      {:dialyxir, "~> 1.3.0", only: [:dev, :test], runtime: false},
+      {:dialyxir, "~> 1.4.0", only: [:dev, :test], runtime: false},
       {:phoenix, "~> 1.7", optional: true},
       {:absinthe, "~> 1.7", optional: true},
       {:absinthe_phoenix, "~> 2.0", optional: true},
diff --git a/mix.lock b/mix.lock
index 2115825..e8c997e 100644
--- a/mix.lock
+++ b/mix.lock
@@ -4,7 +4,7 @@
   "absinthe_plug": {:hex, :absinthe_plug, "1.5.8", "38d230641ba9dca8f72f1fed2dfc8abd53b3907d1996363da32434ab6ee5d6ab", [:mix], [{:absinthe, "~> 1.5", [hex: :absinthe, repo: "hexpm", optional: false]}, {:plug, "~> 1.4", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "bbb04176647b735828861e7b2705465e53e2cf54ccf5a73ddd1ebd855f996e5a"},
   "castore": {:hex, :castore, "1.0.3", "7130ba6d24c8424014194676d608cb989f62ef8039efd50ff4b3f33286d06db8", [:mix], [], "hexpm", "680ab01ef5d15b161ed6a95449fac5c6b8f60055677a8e79acf01b27baa4390b"},
   "decimal": {:hex, :decimal, "2.1.1", "5611dca5d4b2c3dd497dec8f68751f1f1a54755e8ed2a966c2633cf885973ad6", [:mix], [], "hexpm", "53cfe5f497ed0e7771ae1a475575603d77425099ba5faef9394932b35020ffcc"},
-  "dialyxir": {:hex, :dialyxir, "1.3.0", "fd1672f0922b7648ff9ce7b1b26fcf0ef56dda964a459892ad15f6b4410b5284", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "00b2a4bcd6aa8db9dcb0b38c1225b7277dca9bc370b6438715667071a304696f"},
+  "dialyxir": {:hex, :dialyxir, "1.4.0", "6b698401c16de79e8596b73dca63762255e70e4bbe26423530e173917220d5fc", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "c7ecaa1da27debae488ab09d9827ec58a0161c7821972b6d2cb26c1614648849"},
   "earmark": {:hex, :earmark, "1.4.5", "62ffd3bd7722fb7a7b1ecd2419ea0b458c356e7168c1f5d65caf09b4fbdd13c8", [:mix], [], "hexpm", "b7d0e6263d83dc27141a523467799a685965bf8b13b6743413f19a7079843f4f"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.33", "3c3fd9673bb5dcc9edc28dd90f50c87ce506d1f71b70e3de69aa8154bc695d44", [:mix], [], "hexpm", "2d526833729b59b9fdb85785078697c72ac5e5066350663e5be6a1182da61b8f"},
   "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},