diff --git a/apps/block_scout_web/mix.exs b/apps/block_scout_web/mix.exs
index 4d672f9..5b7e555 100644
--- a/apps/block_scout_web/mix.exs
+++ b/apps/block_scout_web/mix.exs
@@ -115,7 +115,7 @@ defmodule BlockScoutWeb.Mixfile do
       {:plug_cowboy, "~> 2.2"},
       # Waiting for the Pretty Print to be implemented at the Jason lib
       # https://github.com/michalmuskala/jason/issues/15
-      {:poison, "~> 4.0.1"},
+      {:poison, "~> 5.0.0"},
       {:postgrex, ">= 0.0.0"},
       # For compatibility with `prometheus_process_collector`, which hasn't been updated yet
       {:prometheus, "~> 4.0", override: true},
diff --git a/apps/explorer/mix.exs b/apps/explorer/mix.exs
index 28a9f87..82f188c 100644
--- a/apps/explorer/mix.exs
+++ b/apps/explorer/mix.exs
@@ -90,7 +90,7 @@ defmodule Explorer.Mixfile do
       {:mock, "~> 0.3.0", only: [:test], runtime: false},
       {:mox, "~> 1.0", only: [:test]},
       {:phoenix_html, "== 3.0.4"},
-      {:poison, "~> 4.0.1"},
+      {:poison, "~> 5.0.0"},
       {:nimble_csv, "~> 1.1"},
       {:postgrex, ">= 0.0.0"},
       # For compatibility with `prometheus_process_collector`, which hasn't been updated yet
diff --git a/mix.lock b/mix.lock
index ac921dd..fc9e3a9 100644
--- a/mix.lock
+++ b/mix.lock
@@ -107,7 +107,7 @@
   "plug": {:hex, :plug, "1.15.3", "712976f504418f6dff0a3e554c40d705a9bcf89a7ccef92fc6a5ef8f16a30a97", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "cc4365a3c010a56af402e0809208873d113e9c38c401cabd88027ef4f5c01fd2"},
   "plug_cowboy": {:hex, :plug_cowboy, "2.7.0", "3ae9369c60641084363b08fe90267cbdd316df57e3557ea522114b30b63256ea", [:mix], [{:cowboy, "~> 2.7.0 or ~> 2.8.0 or ~> 2.9.0 or ~> 2.10.0", [hex: :cowboy, repo: "hexpm", optional: false]}, {:cowboy_telemetry, "~> 0.3", [hex: :cowboy_telemetry, repo: "hexpm", optional: false]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "d85444fb8aa1f2fc62eabe83bbe387d81510d773886774ebdcb429b3da3c1a4a"},
   "plug_crypto": {:hex, :plug_crypto, "1.2.5", "918772575e48e81e455818229bf719d4ab4181fcbf7f85b68a35620f78d89ced", [:mix], [], "hexpm", "26549a1d6345e2172eb1c233866756ae44a9609bd33ee6f99147ab3fd87fd842"},
-  "poison": {:hex, :poison, "4.0.1", "bcb755a16fac91cad79bfe9fc3585bb07b9331e50cfe3420a24bcc2d735709ae", [:mix], [], "hexpm", "ba8836feea4b394bb718a161fc59a288fe0109b5006d6bdf97b6badfcf6f0f25"},
+  "poison": {:hex, :poison, "5.0.0", "d2b54589ab4157bbb82ec2050757779bfed724463a544b6e20d79855a9e43b24", [:mix], [{:decimal, "~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "11dc6117c501b80c62a7594f941d043982a1bd05a1184280c0d9166eb4d8d3fc"},
   "poolboy": {:hex, :poolboy, "1.5.2", "392b007a1693a64540cead79830443abf5762f5d30cf50bc95cb2c1aaafa006b", [:rebar3], [], "hexpm", "dad79704ce5440f3d5a3681c8590b9dc25d1a561e8f5a9c995281012860901e3"},
   "postgrex": {:hex, :postgrex, "0.17.5", "0483d054938a8dc069b21bdd636bf56c487404c241ce6c319c1f43588246b281", [:mix], [{:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:table, "~> 0.1.0", [hex: :table, repo: "hexpm", optional: true]}], "hexpm", "50b8b11afbb2c4095a3ba675b4f055c416d0f3d7de6633a595fc131a828a67eb"},
   "prometheus": {:hex, :prometheus, "4.11.0", "b95f8de8530f541bd95951e18e355a840003672e5eda4788c5fa6183406ba29a", [:mix, :rebar3], [{:quantile_estimator, "~> 0.2.1", [hex: :quantile_estimator, repo: "hexpm", optional: false]}], "hexpm", "719862351aabf4df7079b05dc085d2bbcbe3ac0ac3009e956671b1d5ab88247d"},