diff --git a/public/v4/apps/penpot.yml b/public/v4/apps/penpot.yml
index 3d5be15..10b9ecb 100644
--- a/public/v4/apps/penpot.yml
+++ b/public/v4/apps/penpot.yml
@@ -128,7 +128,6 @@ caproverOneClickApp:
         - id: $$cap_smtp_username
           label: SMTP username
           defaultValue: user@example.com
-          validRegex: /^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/
         - id: $$cap_smtp_password
           label: SMTP password
           defaultValue: