diff --git a/mix.exs b/mix.exs
index 48963a746..170116ad3 100644
--- a/mix.exs
+++ b/mix.exs
@@ -114,7 +114,7 @@ defmodule Livebook.MixProject do
       {:aws_signature, "~> 0.3.0"},
       {:mint_web_socket, "~> 1.0.0"},
       {:protobuf, "~> 0.8.0"},
-      {:dns_cluster, "~> 0.1.1"},
+      {:dns_cluster, "~> 0.1.2"},
       {:phoenix_live_reload, "~> 1.2", only: :dev},
       {:floki, ">= 0.27.0", only: :test},
       {:bypass, "~> 2.1", only: :test},
diff --git a/mix.lock b/mix.lock
index c95eac4b2..3536e5d7f 100644
--- a/mix.lock
+++ b/mix.lock
@@ -8,7 +8,7 @@
   "cowboy_telemetry": {:hex, :cowboy_telemetry, "0.4.0", "f239f68b588efa7707abce16a84d0d2acf3a0f50571f8bb7f56a15865aae820c", [:rebar3], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "7d98bac1ee4565d31b62d59f8823dfd8356a169e7fcbb83831b8a5397404c9de"},
   "cowlib": {:hex, :cowlib, "2.12.1", "a9fa9a625f1d2025fe6b462cb865881329b5caff8f1854d1cbc9f9533f00e1e1", [:make, :rebar3], [], "hexpm", "163b73f6367a7341b33c794c4e88e7dbfe6498ac42dcd69ef44c5bc5507c8db0"},
   "decimal": {:hex, :decimal, "2.1.1", "5611dca5d4b2c3dd497dec8f68751f1f1a54755e8ed2a966c2633cf885973ad6", [:mix], [], "hexpm", "53cfe5f497ed0e7771ae1a475575603d77425099ba5faef9394932b35020ffcc"},
-  "dns_cluster": {:hex, :dns_cluster, "0.1.1", "73b4b2c3ec692f8a64276c43f8c929733a9ab9ac48c34e4c0b3d9d1b5cd69155", [:mix], [], "hexpm", "03a3f6ff16dcbb53e219b99c7af6aab29eb6b88acf80164b4bd76ac18dc890b3"},
+  "dns_cluster": {:hex, :dns_cluster, "0.1.2", "3eb5be824c7888dadf9781018e1a5f1d3d1113b333c50bce90fb1b83df1015f2", [:mix], [], "hexpm", "7494272040f847637bbdb01bcdf4b871e82daf09b813e7d3cb3b84f112c6f2f8"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.37", "2ad73550e27c8946648b06905a57e4d454e4d7229c2dafa72a0348c99d8be5f7", [:mix], [], "hexpm", "6b19783f2802f039806f375610faa22da130b8edc21209d0bff47918bb48360e"},
   "ecto": {:hex, :ecto, "3.10.3", "eb2ae2eecd210b4eb8bece1217b297ad4ff824b4384c0e3fdd28aaf96edd6135", [:mix], [{:decimal, "~> 1.6 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "44bec74e2364d491d70f7e42cd0d690922659d329f6465e89feb8a34e8cd3433"},
   "eini": {:hex, :eini_beam, "2.2.3", "4c809b483b0435789c5924642b81ed1cd6fa7d23f5e2efb3e420522a051fa483", [:rebar3], [], "hexpm", "10381b4cb76b8340b492653dae8f6ab7cb372305906ea196d6a1c070516e7a5f"},