diff --git a/README.md b/README.md
index e9e97328..10d1153f 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ Backends
 - ALSA
 - PulseAudio
 - JACK
+- sndio (OpenBSD)
 - audioio (NetBSD)
 - OSS (FreeBSD)
 - OpenSL|ES (Android only)