diff --git a/CHANGELOG.md b/CHANGELOG.md
index e633822d8..486a173a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 - Fix `hf mfdes value --op clear` commands for clearing more than 0x80000000 values and getfilesettings mac mode (@merlokk)
 - Added ATR fingerprinting to `hf 14a/14b info` (@doegox)
 - Added `Verkada 40-bit` format (@aaronmaxlevy)
+- Added `hf seos write` command (@aaronjamt)
 
 ## [Phrack.4.20728][2025-09-11]
 - Added `unofficial desfire bible` document (@mistial-dev)