diff --git a/README.md b/README.md
index 6aabf99..c673d4f 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,10 @@ the former. Features that only exist in some sound backends are exposed.
  * Exposes extra API that is only available on some backends. For example you
    can provide application name and stream names which is used by JACK and
    PulseAudio.
+ * Supported operating systems:
+   - Windows 7+
+   - MacOS 10.9+
+   - Linux with ALSA 1.0.27+
 
 ## Synopsis