diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d1f4de7..bae2b54e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ ml).
 ## master
 
 ## testing
+- [add] #305 add button download iso Workbench.
 - [changed] #302 add system uuid for check the identity of one device.
 
 ## [2.2.0] - 2022-06-24