diff --git a/README.md b/README.md
index a1a7fab..e029343 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ you can add the following to your `rebar.config`:
 
 ```erlang
 {deps, [
-    {alsa, "0.2.2"}
+    {alsa, "0.2.3"}
 ]}.
 ```
 
diff --git a/src/alsa.app.src b/src/alsa.app.src
index 6879543..0879123 100644
--- a/src/alsa.app.src
+++ b/src/alsa.app.src
@@ -15,5 +15,10 @@
     {licenses, ["Apache 2.0"]},
     {links, [
         {"GitHub", "https://github.com/kopera/erlang-alsa"}
+    ]},
+    {exclude_files, [
+        "c_src/mixer/_build/",
+        "c_src/mixer/env.mk",
+        "c_src/nif/env.mk"
     ]}
  ]}.