diff --git a/mix.exs b/mix.exs
index c92f4ec..789b7f4 100644
--- a/mix.exs
+++ b/mix.exs
@@ -52,7 +52,7 @@ defmodule Ethereumex.Mixfile do
       {:mimic, "~> 1.10", only: :test},
       {:poolboy, "~> 1.5"},
       {:telemetry, "~> 0.4 or ~> 1.0"},
-      {:websockex, "~> 0.4.3"},
+      {:websockex, "~> 0.5.0"},
       {:with_env, "~> 0.1", only: :test}
     ]
   end
diff --git a/mix.lock b/mix.lock
index c4c1650..90c9129 100644
--- a/mix.lock
+++ b/mix.lock
@@ -21,6 +21,6 @@
   "nimble_pool": {:hex, :nimble_pool, "1.1.0", "bf9c29fbdcba3564a8b800d1eeb5a3c58f36e1e11d7b7fb2e084a643f645f06b", [:mix], [], "hexpm", "af2e4e6b34197db81f7aad230c1118eac993acc0dae6bc83bac0126d4ae0813a"},
   "poolboy": {:hex, :poolboy, "1.5.2", "392b007a1693a64540cead79830443abf5762f5d30cf50bc95cb2c1aaafa006b", [:rebar3], [], "hexpm", "dad79704ce5440f3d5a3681c8590b9dc25d1a561e8f5a9c995281012860901e3"},
   "telemetry": {:hex, :telemetry, "1.3.0", "fedebbae410d715cf8e7062c96a1ef32ec22e764197f70cda73d82778d61e7a2", [:rebar3], [], "hexpm", "7015fc8919dbe63764f4b4b87a95b7c0996bd539e0d499be6ec9d7f3875b79e6"},
-  "websockex": {:hex, :websockex, "0.4.3", "92b7905769c79c6480c02daacaca2ddd49de936d912976a4d3c923723b647bf0", [:mix], [], "hexpm", "95f2e7072b85a3a4cc385602d42115b73ce0b74a9121d0d6dbbf557645ac53e4"},
+  "websockex": {:hex, :websockex, "0.5.0", "3caac5f676a2c6ba2eab7bf2828991cd14f7281f936b03deccf041c8b948a5a2", [:mix], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "2f4b08ba6f9531df3debbd0a40a0c9a1336552eb10fabbdfa2d2e31b4e445896"},
   "with_env": {:hex, :with_env, "0.1.0", "4c4d4bdf54733917945fa0c521b7a7bbad4f4c65ce75b346a566695898a4f59a", [:mix], [], "hexpm", "2345cf474a963184edb23f626b4f498472c7d9fe5aa2c71473981dc054bdef95"},
 }