diff --git a/utils/README.md b/utils/README.md
index d560636..63a865e 100644
--- a/utils/README.md
+++ b/utils/README.md
@@ -40,6 +40,7 @@ Files:
 * `UPGRADE`
 * `UPGRZX2`
 * `UPGRZXD`
+* `ZXUNOCFG`
 
 ## Build utilities