diff --git a/.duplicate-id-guard b/.duplicate-id-guard
index a7ff604..0fa1371 100644
--- a/.duplicate-id-guard
+++ b/.duplicate-id-guard
@@ -1,3 +1,3 @@
 This file causes merge conflicts if two ID assignment jobs run concurrently.
 This prevents duplicate ID assignment due to a race between those jobs.
-e4ababe809f177f95608bb105f034fdf7b1379c3ab84f9083b37f4356f609597  -
+6fdc4d460e267ed1aed6b6c1763c42f2f8e135b3d257ca8d7cfb2e4c94cee613  -
diff --git a/crates/serde_cbor/RUSTSEC-0000-0000.md b/crates/serde_cbor/RUSTSEC-2021-0127.md
similarity index 94%
rename from crates/serde_cbor/RUSTSEC-0000-0000.md
rename to crates/serde_cbor/RUSTSEC-2021-0127.md
index 0601d6f..e80812d 100644
--- a/crates/serde_cbor/RUSTSEC-0000-0000.md
+++ b/crates/serde_cbor/RUSTSEC-2021-0127.md
@@ -1,6 +1,6 @@
 ```toml
 [advisory]
-id = "RUSTSEC-0000-0000"
+id = "RUSTSEC-2021-0127"
 package = "serde_cbor"
 date = "2021-08-15"
 url = "https://github.com/pyfisch/cbor"