diff --git a/hello_snmp_agent/config/config.exs b/hello_snmp_agent/config/config.exs
index 2ca098d1..8ea459d1 100644
--- a/hello_snmp_agent/config/config.exs
+++ b/hello_snmp_agent/config/config.exs
@@ -27,7 +27,7 @@ config :nerves, source_date_epoch: "1634820789"
 config :logger, backends: [RingLogger]
 
 config :hello_snmp_agent, HelloSnmpAgent.Agent,
-  dir: './priv/',
+  dir: ~c"./priv/",
   versions: [:v1, :v2, :v3],
   port: "SNMP_PORT" |> System.get_env("161") |> String.to_integer(),
   transports: ["127.0.0.1"],
diff --git a/hello_snmp_agent/config/target.exs b/hello_snmp_agent/config/target.exs
index dae4e13d..6d1a290e 100644
--- a/hello_snmp_agent/config/target.exs
+++ b/hello_snmp_agent/config/target.exs
@@ -1,6 +1,6 @@
 import Config
 
-config :hello_snmp_agent, HelloSnmpAgent.Agent, dir: '/root/'
+config :hello_snmp_agent, HelloSnmpAgent.Agent, dir: ~c"/root/"
 
 # Use shoehorn to start the main application. See the shoehorn
 # docs for separating out critical OTP applications such as those
diff --git a/hello_snmp_agent/mix.exs b/hello_snmp_agent/mix.exs
index eb9bb4a4..6fa99780 100644
--- a/hello_snmp_agent/mix.exs
+++ b/hello_snmp_agent/mix.exs
@@ -10,6 +10,7 @@ defmodule HelloSnmpAgent.MixProject do
     :rpi3,
     :rpi3a,
     :rpi4,
+    :rpi5,
     :bbb,
     :osd32mp1,
     :x86_64,
@@ -65,6 +66,7 @@ defmodule HelloSnmpAgent.MixProject do
       {:nerves_system_rpi3, "~> 1.17", runtime: false, targets: :rpi3},
       {:nerves_system_rpi3a, "~> 1.17", runtime: false, targets: :rpi3a},
       {:nerves_system_rpi4, "~> 1.17", runtime: false, targets: :rpi4},
+      {:nerves_system_rpi5, "~> 0.3", runtime: false, targets: :rpi5},
       {:nerves_system_bbb, "~> 2.12", runtime: false, targets: :bbb},
       {:nerves_system_osd32mp1, "~> 0.8", runtime: false, targets: :osd32mp1},
       {:nerves_system_x86_64, "~> 1.17", runtime: false, targets: :x86_64},
diff --git a/hello_snmp_agent/mix.lock b/hello_snmp_agent/mix.lock
index 8236343e..2199f675 100644
--- a/hello_snmp_agent/mix.lock
+++ b/hello_snmp_agent/mix.lock
@@ -29,6 +29,7 @@
   "nerves_system_rpi3": {:hex, :nerves_system_rpi3, "1.28.1", "59c61c34251a9c532d8e8f234c93806950583fb2327e01f47654241da645c16f", [:mix], [{:nerves, "~> 1.11", [hex: :nerves, repo: "hexpm", optional: false]}, {:nerves_system_br, "1.28.3", [hex: :nerves_system_br, repo: "hexpm", optional: false]}, {:nerves_toolchain_armv7_nerves_linux_gnueabihf, "~> 13.2.0", [hex: :nerves_toolchain_armv7_nerves_linux_gnueabihf, repo: "hexpm", optional: false]}], "hexpm", "5768c89133de98f47ed3b46aaef2e904698b4c3f44d4f32a82ecf36e76566575"},
   "nerves_system_rpi3a": {:hex, :nerves_system_rpi3a, "1.28.1", "68667699d28e66bd4bdbfec24892a2a073cde84db3806b099df27c6789255553", [:mix], [{:nerves, "~> 1.11", [hex: :nerves, repo: "hexpm", optional: false]}, {:nerves_system_br, "1.28.3", [hex: :nerves_system_br, repo: "hexpm", optional: false]}, {:nerves_toolchain_armv7_nerves_linux_gnueabihf, "~> 13.2.0", [hex: :nerves_toolchain_armv7_nerves_linux_gnueabihf, repo: "hexpm", optional: false]}], "hexpm", "867bda012e93d01eb5e0e70d367df5597a69983a6b374d02807c0359f4b7dd06"},
   "nerves_system_rpi4": {:hex, :nerves_system_rpi4, "1.28.1", "93bcd3171fe8889ecfe013931ad4df334f6ea191ccda40d25954d7724b6688ef", [:mix], [{:nerves, "~> 1.11", [hex: :nerves, repo: "hexpm", optional: false]}, {:nerves_system_br, "1.28.3", [hex: :nerves_system_br, repo: "hexpm", optional: false]}, {:nerves_toolchain_aarch64_nerves_linux_gnu, "~> 13.2.0", [hex: :nerves_toolchain_aarch64_nerves_linux_gnu, repo: "hexpm", optional: false]}], "hexpm", "51de19e8e9692f7b6bd6d9b8758f7afe807531995cf4eaf8d55f35f4430a43b3"},
+  "nerves_system_rpi5": {:hex, :nerves_system_rpi5, "0.3.1", "be01aa70001fa85a8bc6ba1141679e9b38a365e6c671fd28067487b7726cd494", [:mix], [{:nerves, "~> 1.11", [hex: :nerves, repo: "hexpm", optional: false]}, {:nerves_system_br, "1.28.3", [hex: :nerves_system_br, repo: "hexpm", optional: false]}, {:nerves_toolchain_aarch64_nerves_linux_gnu, "~> 13.2.0", [hex: :nerves_toolchain_aarch64_nerves_linux_gnu, repo: "hexpm", optional: false]}], "hexpm", "649abf1fa1229ff9a41aec7c94c1a15f2cbaf745d02ea828cbeb983574d9614f"},
   "nerves_system_x86_64": {:hex, :nerves_system_x86_64, "1.28.1", "fdcc854dfde48d7e3a55f8988c58b62d116fde5575c39ffcc25d1dd300d9b937", [:mix], [{:nerves, "~> 1.11", [hex: :nerves, repo: "hexpm", optional: false]}, {:nerves_system_br, "1.28.3", [hex: :nerves_system_br, repo: "hexpm", optional: false]}, {:nerves_toolchain_x86_64_nerves_linux_musl, "~> 13.2.0", [hex: :nerves_toolchain_x86_64_nerves_linux_musl, repo: "hexpm", optional: false]}], "hexpm", "c38b8a45cec6cf0bbfb9ca7b33717a0d1adaa435ad0ace435871e831ae38f67f"},
   "nerves_time": {:hex, :nerves_time, "0.4.8", "50523376d487dfaea9bde973b9160a2ce811ade3ba2533776ef5c2ff4d80c277", [:make, :mix], [{:elixir_make, "~> 0.6", [hex: :elixir_make, repo: "hexpm", optional: false]}, {:muontrap, "~> 0.5 or ~> 1.0", [hex: :muontrap, repo: "hexpm", optional: false]}], "hexpm", "84479a25b725c24d1b758eaef3450043868591c8102c0ca1d7cc051a6402dd03"},
   "nerves_toolchain_aarch64_nerves_linux_gnu": {:hex, :nerves_toolchain_aarch64_nerves_linux_gnu, "13.2.0", "68fcd2c21c86cceb9545948fae052d72f88b7c7c10205b252dac88559e2a3369", [:mix], [{:nerves, "~> 1.4", [hex: :nerves, repo: "hexpm", optional: false]}, {:nerves_toolchain_ctng, "~> 1.10.0", [hex: :nerves_toolchain_ctng, repo: "hexpm", optional: false]}], "hexpm", "f92212606919a062f975e7bd82ed8a1b95bd4864abb3444cd0d5d0e610e94cc5"},