--- a/docs/changelog	Wed Aug 25 17:33:29 2021 +0200
+++ b/docs/changelog	Wed Aug 25 17:41:13 2021 +0200
@@ -1,9 +1,11 @@
 Change Log
 ----------
-Version 21.8:
+Version 21.9:
 - bug fixes
 - MicroPython
   -- extended the list of known CircuitPython and UF2 capable devices
+- Unit Test
+  -- added support for sub-tests
 
 Version 21.7:
 - bug fixes