diff --git a/CHANGELOG.md b/CHANGELOG.md
index 096d3496..5fa3715f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,7 +18,7 @@ All notable changes to this project will be documented in this file.
 ### Security
 
 - Use a constant-time Base64 encoder for secret key material to mitigate
-  side-channel attacks leaking secret key material ([#156](https://github.com/matrix-org/vodozemac/pull/156)).
+  side-channel attacks leaking secret key material ([#156](https://github.com/matrix-org/vodozemac/pull/156)) (Low, [GHSA-j8cm-g7r6-hfpq](https://github.com/matrix-org/vodozemac/security/advisories/GHSA-j8cm-g7r6-hfpq)).
 
 ## [0.6.0] - 2024-05-06