diff --git a/.duplicate-id-guard b/.duplicate-id-guard
index 8299dca..fd988d5 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.
-ab9f4325aa882ac598b33552b8b8c27438af7b74b2a36d4be1e90236aac8071f  -
+7000ed27f22545fdba680604ba53773073e4c9d0490d6d24e03ffeef3264e0da  -
diff --git a/crates/nb-connect/RUSTSEC-0000-0000.md b/crates/nb-connect/RUSTSEC-2021-0021.md
similarity index 97%
rename from crates/nb-connect/RUSTSEC-0000-0000.md
rename to crates/nb-connect/RUSTSEC-2021-0021.md
index 092e66d..2b3fe0e 100644
--- a/crates/nb-connect/RUSTSEC-0000-0000.md
+++ b/crates/nb-connect/RUSTSEC-2021-0021.md
@@ -1,6 +1,6 @@
 ```toml
 [advisory]
-id = "RUSTSEC-0000-0000"
+id = "RUSTSEC-2021-0021"
 package = "nb-connect"
 date = "2021-02-14"
 url = "https://github.com/smol-rs/nb-connect/issues/1"