diff --git a/.duplicate-id-guard b/.duplicate-id-guard
index b3ebe23..a5bf530 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.
-0ba9d1fe82ad23a011758a3cc79f9583a96ca4e3fe904f2b419a598a29dc40c6  -
+4d0bc1fb088db6d07aa4038802dd1cdd43d3f4e28a984517e311222c4f189af2  -
diff --git a/crates/array-tools/RUSTSEC-0000-0000.md b/crates/array-tools/RUSTSEC-2020-0132.md
similarity index 95%
rename from crates/array-tools/RUSTSEC-0000-0000.md
rename to crates/array-tools/RUSTSEC-2020-0132.md
index 71cd9ff..de5f94f 100644
--- a/crates/array-tools/RUSTSEC-0000-0000.md
+++ b/crates/array-tools/RUSTSEC-2020-0132.md
@@ -1,6 +1,6 @@
 ```toml
 [advisory]
-id = "RUSTSEC-0000-0000"
+id = "RUSTSEC-2020-0132"
 package = "array-tools"
 date = "2020-12-31"
 url = "https://github.com/L117/array-tools/issues/2"
diff --git a/crates/bunch/RUSTSEC-0000-0000.md b/crates/bunch/RUSTSEC-2020-0130.md
similarity index 96%
rename from crates/bunch/RUSTSEC-0000-0000.md
rename to crates/bunch/RUSTSEC-2020-0130.md
index d7ea4a0..e594d55 100644
--- a/crates/bunch/RUSTSEC-0000-0000.md
+++ b/crates/bunch/RUSTSEC-2020-0130.md
@@ -1,6 +1,6 @@
 ```toml
 [advisory]
-id = "RUSTSEC-0000-0000"
+id = "RUSTSEC-2020-0130"
 package = "bunch"
 date = "2020-11-12"
 url = "https://github.com/krl/bunch/issues/1"
diff --git a/crates/rcu_cell/RUSTSEC-0000-0000.md b/crates/rcu_cell/RUSTSEC-2020-0131.md
similarity index 96%
rename from crates/rcu_cell/RUSTSEC-0000-0000.md
rename to crates/rcu_cell/RUSTSEC-2020-0131.md
index bc046a9..dd2d9ad 100644
--- a/crates/rcu_cell/RUSTSEC-0000-0000.md
+++ b/crates/rcu_cell/RUSTSEC-2020-0131.md
@@ -1,6 +1,6 @@
 ```toml
 [advisory]
-id = "RUSTSEC-0000-0000"
+id = "RUSTSEC-2020-0131"
 package = "rcu_cell"
 date = "2020-11-14"
 url = "https://github.com/Xudong-Huang/rcu_cell/issues/3"