diff --git a/mix.exs b/mix.exs
index aeaf168d..fcb602f7 100644
--- a/mix.exs
+++ b/mix.exs
@@ -68,7 +68,7 @@ defmodule Concentrate.MixProject do
       {:ex_aws_s3, "~> 2.3"},
       {:lcov_ex, "~> 0.3.2", only: :test, runtime: false},
       {:gen_stage, "~> 1.0"},
-      {:gpb, "~> 4.7", only: :dev, runtime: false, only: :dev},
+      {:gpb, "~> 5.0", only: :dev, runtime: false, only: :dev},
       {:httpoison, "~> 1.0"},
       {:emqtt_failover, "~> 0.3"},
       {:cowlib, "2.16.1", override: true},
diff --git a/mix.lock b/mix.lock
index 162d84e4..8100bc1a 100644
--- a/mix.lock
+++ b/mix.lock
@@ -18,7 +18,7 @@
   "ex_aws_s3": {:hex, :ex_aws_s3, "2.5.9", "862b7792f2e60d7010e2920d79964e3fab289bc0fd951b0ba8457a3f7f9d1199", [:mix], [{:ex_aws, "~> 2.0", [hex: :ex_aws, repo: "hexpm", optional: false]}, {:sweet_xml, ">= 0.0.0", [hex: :sweet_xml, repo: "hexpm", optional: true]}], "hexpm", "a480d2bb2da64610014021629800e1e9457ca5e4a62f6775bffd963360c2bf90"},
   "file_system": {:hex, :file_system, "1.1.1", "31864f4685b0148f25bd3fbef2b1228457c0c89024ad67f7a81a3ffbc0bbad3a", [:mix], [], "hexpm", "7a15ff97dfe526aeefb090a7a9d3d03aa907e100e262a0f8f7746b78f8f87a5d"},
   "gen_stage": {:hex, :gen_stage, "1.3.2", "7c77e5d1e97de2c6c2f78f306f463bca64bf2f4c3cdd606affc0100b89743b7b", [:mix], [], "hexpm", "0ffae547fa777b3ed889a6b9e1e64566217413d018cabd825f786e843ffe63e7"},
-  "gpb": {:hex, :gpb, "4.21.7", "34320bee1d98811f731f1dbc815b5fc13d8d33f83f95c43f77dbfb532091fff8", [:make, :rebar3], [], "hexpm", "9b3c3adfea1a631fd1da6b2b08ec8f59b412982393950e0fd1b306def79a676a"},
+  "gpb": {:hex, :gpb, "5.0.0", "b73cd66822c16e8155b7e3bc707150bd429f91322c1ea5a0bd027bfedafb0bb9", [:make, :rebar3], [], "hexpm", "4ae10a4591b01f086ca759066caa6bc8d41eeb3c9c94a3eeaff429db95388677"},
   "hackney": {:hex, :hackney, "1.18.1", "f48bf88f521f2a229fc7bae88cf4f85adc9cd9bcf23b5dc8eb6a1788c662c4f6", [:rebar3], [{:certifi, "~> 2.9.0", [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, "3.3.1", [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", "a4ecdaff44297e9b5894ae499e9a070ea1888c84afdd1fd9b7b2bc384950128e"},
   "httpoison": {:hex, :httpoison, "1.8.0", "6b85dea15820b7804ef607ff78406ab449dd78bed923a49c7160e1886e987a3d", [:mix], [{:hackney, "~> 1.17", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm", "28089eaa98cf90c66265b6b5ad87c59a3729bea2e74e9d08f9b51eb9729b3c3a"},
   "idna": {:hex, :idna, "6.1.1", "8a63070e9f7d0c62eb9d9fcb360a7de382448200fbbd1b106cc96d3d8099df8d", [:rebar3], [{:unicode_util_compat, "~>0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "92376eb7894412ed19ac475e4a86f7b413c1b9fbb5bd16dccd57934157944cea"},