diff --git a/content/ctlog.md b/content/ctlog.md
index 0afa062..e7a5757 100644
--- a/content/ctlog.md
+++ b/content/ctlog.md
@@ -57,6 +57,9 @@ Our TesseraCT logs:
      starting from temporal shared `lipase2025h2`.
 *    A production log called [[Halloumi](https://halloumi2025h2.log.ct.ipng.ch/)], incepted 2025-08-24,
      starting from temporal shared `halloumi2025h2`.
+     *   Log `halloumi2026h2` incorporated incorrect data into its Merkle Tree at entry 4357956 and
+         4552365, due to a [[TesseraCT bug](https://github.com/transparency-dev/tesseract/issues/553)]
+         and was retired on 2025-09-08, to be replaced by temporal shard `halloumi2026h2a`.
 
 ## Operational Details