diff --git a/README.md b/README.md
index 5853d7e..d33754c 100644
--- a/README.md
+++ b/README.md
@@ -229,6 +229,7 @@ Zig Core Language
 * [X] Bit manipulation
 * [X] Working with C
 * [X] Threading
+* [ ] Labeled switch (#21257)
 
 Zig Standard Library