diff --git a/.duplicate-id-guard b/.duplicate-id-guard
index 7c34bb98..f35935b6 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.
-158d817439adca059b33275d77414a6b40f8bae1d76c8b9c4b83a5b9e6da15cd  -
+0837186fa275416f69277f2f693df4c9e877a901cdb45e2e51bb08f5aef3f5dd  -
diff --git a/crates/multi_mut/RUSTSEC-0000-0000.md b/crates/multi_mut/RUSTSEC-2020-0169.md
similarity index 97%
rename from crates/multi_mut/RUSTSEC-0000-0000.md
rename to crates/multi_mut/RUSTSEC-2020-0169.md
index 6d073719..5769740f 100644
--- a/crates/multi_mut/RUSTSEC-0000-0000.md
+++ b/crates/multi_mut/RUSTSEC-2020-0169.md
@@ -1,6 +1,6 @@
 ```toml
 [advisory]
-id = "RUSTSEC-0000-0000"
+id = "RUSTSEC-2020-0169"
 package = "multi_mut"
 date = "2020-02-07"
 url = "https://github.com/golddranks/multi_mut/issues/1"