diff --git a/deny.toml b/deny.toml
index 5a9a2a1..644022c 100644
--- a/deny.toml
+++ b/deny.toml
@@ -7,6 +7,7 @@ ignore = [
     { id = "RUSTSEC-2024-0370", reason = "No safe upgrade is available `proc-macro-error`." },
     { id = "RUSTSEC-2024-0436", reason = "No maintained version available for `paste`." },
     { id = "RUSTSEC-2025-0141", reason = "No maintained version available for `bincode`." },
+    { id = "RUSTSEC-2026-0173", reason = "No maintained version available for `proc-macro-error2`." },
 ]
 
 [bans]