diff --git a/README.md b/README.md
index d14ef5f7..90296216 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,7 @@ GTK 4 / Libadwaita client written in Rust
   * [x] `image/webp`
 
 #### Audio
+  * [ ] `audio/flac`
   * [ ] `audio/mpeg`
   * [ ] `audio/ogg`