diff --git a/bundlex.exs b/bundlex.exs
index 9276089..00e6faf 100644
--- a/bundlex.exs
+++ b/bundlex.exs
@@ -11,14 +11,13 @@ defmodule Membrane.H264.FFmpeg.BundlexProject do
          "https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-n6.0-latest-linuxarm64-gpl-shared-6.0.tar.xz"}
 
       %{os: "linux"} ->
-        {:precompiled,
-         "https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-n6.0-latest-linux64-gpl-shared-6.0.tar.xz"}
+        "https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-n6.0-latest-linux64-gpl-shared-6.0.tar.xz"
 
       %{architecture: "x86_64", os: "darwin" <> _rest_of_os_name} ->
-        {:precompiled, "#{membrane_precompiled_url_prefix}_macos_intel.tar.gz"}
+        "#{membrane_precompiled_url_prefix}_macos_intel.tar.gz"
 
       %{architecture: "aarch64", os: "darwin" <> _rest_of_os_name} ->
-        {:precompiled, "#{membrane_precompiled_url_prefix}_macos_arm.tar.gz"}
+        "#{membrane_precompiled_url_prefix}_macos_arm.tar.gz"
 
       _other ->
         nil
@@ -37,7 +36,10 @@ defmodule Membrane.H264.FFmpeg.BundlexProject do
         interface: :nif,
         sources: ["decoder.c"],
         os_deps: [
-          {[get_ffmpeg_url(), :pkg_config], ["libavcodec", "libavutil"]}
+          ffmpeg: [
+            {:precompiled, get_ffmpeg_url(), ["libavcodec", "libavutil"]},
+            {:pkg_config, ["libavcodec", "libavutil"]}
+          ]
         ],
         preprocessor: Unifex
       ],
@@ -45,7 +47,10 @@ defmodule Membrane.H264.FFmpeg.BundlexProject do
         interface: :nif,
         sources: ["encoder.c"],
         os_deps: [
-          {[get_ffmpeg_url(), :pkg_config], ["libavcodec", "libavutil"]}
+          ffmpeg: [
+            {:precompiled, get_ffmpeg_url(), ["libavcodec", "libavutil"]},
+            {:pkg_config, ["libavcodec", "libavutil"]}
+          ]
         ],
         preprocessor: Unifex
       ]
diff --git a/mix.exs b/mix.exs
index 7946821..72db75b 100644
--- a/mix.exs
+++ b/mix.exs
@@ -39,7 +39,7 @@ defmodule Membrane.H264.FFmpeg.Plugin.MixProject do
   defp deps do
     [
       {:bunch, "~> 1.6"},
-      {:bundlex, "~> 1.2.0"},
+      {:bundlex, "~> 1.3"},
       {:unifex, "~> 1.1.0"},
       {:membrane_core, "~> 1.0"},
       {:membrane_common_c, "~> 0.16.0"},
diff --git a/mix.lock b/mix.lock
index 59babdd..da4be23 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,7 +1,7 @@
 %{
   "bunch": {:hex, :bunch, "1.6.0", "4775f8cdf5e801c06beed3913b0bd53fceec9d63380cdcccbda6be125a6cfd54", [:mix], [], "hexpm", "ef4e9abf83f0299d599daed3764d19e8eac5d27a5237e5e4d5e2c129cfeb9a22"},
   "bunch_native": {:hex, :bunch_native, "0.5.0", "8ac1536789a597599c10b652e0b526d8833348c19e4739a0759a2bedfd924e63", [:mix], [{:bundlex, "~> 1.0", [hex: :bundlex, repo: "hexpm", optional: false]}], "hexpm", "24190c760e32b23b36edeb2dc4852515c7c5b3b8675b1a864e0715bdd1c8f80d"},
-  "bundlex": {:hex, :bundlex, "1.2.0", "a89869208a019376a38e8a10e1bd573dcbeae8addd381c2cd74e2817010bef8f", [:mix], [{:bunch, "~> 1.0", [hex: :bunch, repo: "hexpm", optional: false]}, {:qex, "~> 0.5", [hex: :qex, repo: "hexpm", optional: false]}, {:req, "~> 0.4.0", [hex: :req, repo: "hexpm", optional: false]}, {:secure_random, "~> 0.5", [hex: :secure_random, repo: "hexpm", optional: false]}, {:zarex, "~> 1.0", [hex: :zarex, repo: "hexpm", optional: false]}], "hexpm", "d2182b91a2a53847baadf4745ad2291853e786ad28671f474a611e7703dbca9b"},
+  "bundlex": {:hex, :bundlex, "1.3.0", "9f376ac6f997f0a30041b9e3b473390b464ffbb7b6c001353f0ce95bf1e32d7c", [:mix], [{:bunch, "~> 1.0", [hex: :bunch, repo: "hexpm", optional: false]}, {:qex, "~> 0.5", [hex: :qex, repo: "hexpm", optional: false]}, {:req, "~> 0.4.0", [hex: :req, repo: "hexpm", optional: false]}, {:secure_random, "~> 0.5", [hex: :secure_random, repo: "hexpm", optional: false]}, {:zarex, "~> 1.0", [hex: :zarex, repo: "hexpm", optional: false]}], "hexpm", "4e4849ecb658404d91b2305227cf73ca181a72bc4e602b9a0da90ffbd64cdf8b"},
   "bunt": {:hex, :bunt, "0.2.1", "e2d4792f7bc0ced7583ab54922808919518d0e57ee162901a16a1b6664ef3b14", [:mix], [], "hexpm", "a330bfb4245239787b15005e66ae6845c9cd524a288f0d141c148b02603777a5"},
   "castore": {:hex, :castore, "1.0.4", "ff4d0fb2e6411c0479b1d965a814ea6d00e51eb2f58697446e9c41a97d940b28", [:mix], [], "hexpm", "9418c1b8144e11656f0be99943db4caf04612e3eaecefb5dae9a2a87565584f8"},
   "coerce": {:hex, :coerce, "1.0.1", "211c27386315dc2894ac11bc1f413a0e38505d808153367bd5c6e75a4003d096", [:mix], [], "hexpm", "b44a691700f7a1a15b4b7e2ff1fa30bebd669929ac8aa43cffe9e2f8bf051cf1"},