diff --git a/.duplicate-id-guard b/.duplicate-id-guard
index c2172dc..3b1cac2 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.
-9bae6a436712bef548c6942557c58c547eba0c7f7be2aa4be2076a6f537c9eb5  -
+97098036c0218022628b0ef8125668fed1be3c4e7a9f6ca2c9809b8525d6f29d  -
diff --git a/crates/abomonation/RUSTSEC-0000-0000.md b/crates/abomonation/RUSTSEC-2021-0120.md
similarity index 96%
rename from crates/abomonation/RUSTSEC-0000-0000.md
rename to crates/abomonation/RUSTSEC-2021-0120.md
index 49afc8f..7ab46b8 100644
--- a/crates/abomonation/RUSTSEC-0000-0000.md
+++ b/crates/abomonation/RUSTSEC-2021-0120.md
@@ -1,6 +1,6 @@
 ```toml
 [advisory]
-id = "RUSTSEC-0000-0000"
+id = "RUSTSEC-2021-0120"
 package = "abomonation"
 date = "2021-10-17"
 url = "https://github.com/TimelyDataflow/abomonation/issues/23"