diff --git a/draft/overlay/piborg-tropi.md b/draft/overlay/piborg-tropi.md
index 200a81d..f9ed854 100644
--- a/draft/overlay/piborg-tropi.md
+++ b/draft/overlay/piborg-tropi.md
@@ -16,6 +16,7 @@ power:
 ground:
   '6':
   '20':
+  '25':
   '30':
 pin:
   '16':