diff --git a/README.md b/README.md
index 41e572e9..46386b4b 100644
--- a/README.md
+++ b/README.md
@@ -138,6 +138,7 @@ prores_frame,
 [protobuf](doc/formats.md#protobuf),
 protobuf_widevine,
 pssh_playready,
+pyrdp,
 [rtmp](doc/formats.md#rtmp),
 sll2_packet,
 sll_packet,