diff --git a/mix.exs b/mix.exs
index fd6adf5..8fe6902 100644
--- a/mix.exs
+++ b/mix.exs
@@ -69,7 +69,7 @@ defmodule NervesSystemOsd32mp1.MixProject do
     [
       {:nerves, "~> 1.11", runtime: false},
       {:nerves_system_br, "1.29.1", runtime: false},
-      {:nerves_toolchain_armv7_nerves_linux_gnueabihf, "~> 14.2.0", runtime: false},
+      {:nerves_toolchain_armv7_nerves_linux_gnueabihf, "~> 13.2.0", runtime: false},
       {:nerves_system_linter, "~> 0.4", only: [:dev, :test], runtime: false},
       {:ex_doc, "~> 0.22", only: :docs, runtime: false}
     ]
diff --git a/mix.lock b/mix.lock
deleted file mode 100644
index a85ba4e..0000000
--- a/mix.lock
+++ /dev/null
@@ -1,16 +0,0 @@
-%{
-  "castore": {:hex, :castore, "1.0.10", "43bbeeac820f16c89f79721af1b3e092399b3a1ecc8df1a472738fd853574911", [:mix], [], "hexpm", "1b0b7ea14d889d9ea21202c43a4fa015eb913021cb535e8ed91946f4b77a8848"},
-  "earmark_parser": {:hex, :earmark_parser, "1.4.41", "ab34711c9dc6212dda44fcd20ecb87ac3f3fce6f0ca2f28d4a00e4154f8cd599", [:mix], [], "hexpm", "a81a04c7e34b6617c2792e291b5a2e57ab316365c2644ddc553bb9ed863ebefa"},
-  "elixir_make": {:hex, :elixir_make, "0.9.0", "6484b3cd8c0cee58f09f05ecaf1a140a8c97670671a6a0e7ab4dc326c3109726", [:mix], [], "hexpm", "db23d4fd8b757462ad02f8aa73431a426fe6671c80b200d9710caf3d1dd0ffdb"},
-  "ex_doc": {:hex, :ex_doc, "0.35.1", "de804c590d3df2d9d5b8aec77d758b00c814b356119b3d4455e4b8a8687aecaf", [:mix], [{:earmark_parser, "~> 1.4.39", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.0", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14 or ~> 1.0", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1 or ~> 1.0", [hex: :makeup_erlang, repo: "hexpm", optional: false]}, {:makeup_html, ">= 0.1.0", [hex: :makeup_html, repo: "hexpm", optional: true]}], "hexpm", "2121c6402c8d44b05622677b761371a759143b958c6c19f6558ff64d0aed40df"},
-  "jason": {:hex, :jason, "1.4.4", "b9226785a9aa77b6857ca22832cffa5d5011a667207eb2a0ad56adb5db443b8a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "c5eb0cab91f094599f94d55bc63409236a8ec69a21a67814529e8d5f6cc90b3b"},
-  "makeup": {:hex, :makeup, "1.2.1", "e90ac1c65589ef354378def3ba19d401e739ee7ee06fb47f94c687016e3713d1", [:mix], [{:nimble_parsec, "~> 1.4", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "d36484867b0bae0fea568d10131197a4c2e47056a6fbe84922bf6ba71c8d17ce"},
-  "makeup_elixir": {:hex, :makeup_elixir, "1.0.0", "74bb8348c9b3a51d5c589bf5aebb0466a84b33274150e3b6ece1da45584afc82", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "49159b7d7d999e836bedaf09dcf35ca18b312230cf901b725a64f3f42e407983"},
-  "makeup_erlang": {:hex, :makeup_erlang, "1.0.1", "c7f58c120b2b5aa5fd80d540a89fdf866ed42f1f3994e4fe189abebeab610839", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "8a89a1eeccc2d798d6ea15496a6e4870b75e014d1af514b1b71fa33134f57814"},
-  "nerves": {:hex, :nerves, "1.11.2", "a6733509c433f244aaf8a3aef28fcc3cc653fd5c5e3dc3f475b233730dbb1b2a", [:make, :mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: false]}, {:elixir_make, "~> 0.6", [hex: :elixir_make, repo: "hexpm", optional: false]}, {:jason, "~> 1.2", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "0b554421e7d1b82b03955fda3d966c83ab2414c5ed52f57ad7f4bcdc98279c57"},
-  "nerves_system_br": {:hex, :nerves_system_br, "1.29.1", "afa5337d66e9770d48dc8bf3a4da41f63dcbd1f0b4639d67fa08d449ad752668", [:mix], [], "hexpm", "33f5afe50fa603a8cdb22e281c18fb98de9f3012598af1ab77849d1dbe59747e"},
-  "nerves_system_linter": {:hex, :nerves_system_linter, "0.4.0", "81e9a6f5018fe5fb67d7b43a04dca36156f62b55b5554eb2fa3964d3889d09cd", [:mix], [], "hexpm", "b5bd8480ce7a6317f4601ff41fd2f594bdf76aff0bdf6dcfac571c3fa1ec5f82"},
-  "nerves_toolchain_armv7_nerves_linux_gnueabihf": {:hex, :nerves_toolchain_armv7_nerves_linux_gnueabihf, "14.2.0", "02129f8d89fdcb0aa2471a1336f49a00dd9ae6ca13437b92a153897c4877f289", [:mix], [{:nerves, "~> 1.0", [hex: :nerves, repo: "hexpm", optional: false]}, {:nerves_toolchain_ctng, "~> 1.11.0", [hex: :nerves_toolchain_ctng, repo: "hexpm", optional: false]}], "hexpm", "44f601eba47424db5d9fb2c9e2cba54a2b186b27cb46cc8c5c737b9f454969ba"},
-  "nerves_toolchain_ctng": {:hex, :nerves_toolchain_ctng, "1.11.0", "829b312eb94ea2bc4733299aeccbe1bbe67430cebf2d23cc28df7cc2ea7dc572", [:mix], [{:nerves, "~> 1.0", [hex: :nerves, repo: "hexpm", optional: false]}], "hexpm", "c98ab17dd2210a50e948fb5ae4ef418e651e10cbb868f00c39a1f3541cec5467"},
-  "nimble_parsec": {:hex, :nimble_parsec, "1.4.0", "51f9b613ea62cfa97b25ccc2c1b4216e81df970acd8e16e8d1bdc58fef21370d", [:mix], [], "hexpm", "9c565862810fb383e9838c1dd2d7d2c437b3d13b267414ba6af33e50d2d1cf28"},
-}
diff --git a/nerves_defconfig b/nerves_defconfig
index 68af0bd..d070b03 100644
--- a/nerves_defconfig
+++ b/nerves_defconfig
@@ -3,8 +3,9 @@ BR2_cortex_a7=y
 BR2_TOOLCHAIN_EXTERNAL=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
 BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
-BR2_TOOLCHAIN_EXTERNAL_URL="https://github.com/nerves-project/toolchains/releases/download/v14.2.0/nerves_toolchain_armv7_nerves_linux_gnueabihf-linux_${shell uname -m}-14.2.0-6442318.tar.xz"
+BR2_TOOLCHAIN_EXTERNAL_URL="https://github.com/nerves-project/toolchains/releases/download/v13.2.0/nerves_toolchain_armv7_nerves_linux_gnueabihf-linux_${shell uname -m}-13.2.0-BE3EA83.tar.xz"
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="armv7-nerves-linux-gnueabihf"
+BR2_TOOLCHAIN_EXTERNAL_GCC_13=y
 BR2_TOOLCHAIN_EXTERNAL_HEADERS_5_4=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
 # BR2_TOOLCHAIN_EXTERNAL_INET_RPC is not set