diff --git a/crates/rio/RUSTSEC-0000-0000.toml b/crates/rio/RUSTSEC-2020-0021.toml
similarity index 96%
rename from crates/rio/RUSTSEC-0000-0000.toml
rename to crates/rio/RUSTSEC-2020-0021.toml
index 19e8a83..595702b 100644
--- a/crates/rio/RUSTSEC-0000-0000.toml
+++ b/crates/rio/RUSTSEC-2020-0021.toml
@@ -1,5 +1,5 @@
 [advisory]
-id = "RUSTSEC-0000-0000"
+id = "RUSTSEC-2020-0021"
 package = "rio"
 date = "2020-05-11"
 title = "rio allows a use-after-free buffer access when a future is leaked"