diff --git a/deny.toml b/deny.toml
index 5be86107edf..7f8317d9279 100644
--- a/deny.toml
+++ b/deny.toml
@@ -13,7 +13,8 @@ yanked = "warn"
 # A list of advisory IDs to ignore. Note that ignored advisories will still
 # output a note when they are encountered.
 ignore = [
-    #"RUSTSEC-0000-0000",
+    # `instant` is unmaintained: https://rustsec.org/advisories/RUSTSEC-2024-0384
+    "RUSTSEC-2024-0384",
 ]
 # Threshold for security vulnerabilities, any vulnerability with a CVSS score
 # lower than the range specified will be ignored. Note that ignored advisories