diff --git a/deny.toml b/deny.toml
index 1671119ca..8fbbe5220 100644
--- a/deny.toml
+++ b/deny.toml
@@ -19,6 +19,9 @@ ignore = [
     # RSA key extraction "Marvin Attack". This is only relevant when using
     # PKCS#1 v1.5 encryption, which we don't
     "RUSTSEC-2023-0071",
+    # This is a newly unmaintained package that we can allow temporarily.
+    # Remove ASAP once https://github.com/element-hq/matrix-authentication-service/issues/5337 is fixed.
+    "RUSTSEC-2025-0134",
 ]
 
 [licenses]