diff --git a/readme.txt b/readme.txt
index 40f3fb7..56b7948 100755
--- a/readme.txt
+++ b/readme.txt
@@ -35,4 +35,8 @@ Please visit [our support site at https://www.paidmembershipspro.com](http://www
 
 == Changelog ==
 = 3.0 - 2022-09-05 =
-* FEATURE: Complete overhaul to support MailPoet v3+
\ No newline at end of file
+* FEATURE: Complete overhaul to support MailPoet v3+
+
+## Upgrade Notice ##
+### 3.0 ###
+This is a complete overhaul of the plugin to work with MailPoet v3. It will no longer work with MailPoet v2 or earlier.
\ No newline at end of file