diff --git a/crates/im/RUSTSEC-0000-0000.md b/crates/im/RUSTSEC-2020-0096.md
similarity index 83%
rename from crates/im/RUSTSEC-0000-0000.md
rename to crates/im/RUSTSEC-2020-0096.md
index 5409d96..88f0754 100644
--- a/crates/im/RUSTSEC-0000-0000.md
+++ b/crates/im/RUSTSEC-2020-0096.md
@@ -1,6 +1,6 @@
 ```toml
 [advisory]
-id = "RUSTSEC-0000-0000"
+id = "RUSTSEC-2020-0096"
 package = "im"
 date = "2020-11-09"
 url = "https://github.com/bodil/im-rs/issues/157"
@@ -16,4 +16,4 @@ unaffected = ["< 12.0.0"]
 Affected versions of `im` contains `TreeFocus` that unconditionally implements `Send` and `Sync`.
 
 This allows a data race in safe Rust code if `TreeFocus` is extracted from `Focus` type.
-Typical users that only use `Focus` type are not affected.
\ No newline at end of file
+Typical users that only use `Focus` type are not affected.