diff --git a/wise-webapp/src/main/webapp/WEB-INF/prod.properties b/wise-webapp/src/main/webapp/WEB-INF/prod.properties
index c9684559..6a2943d8 100644
--- a/wise-webapp/src/main/webapp/WEB-INF/prod.properties
+++ b/wise-webapp/src/main/webapp/WEB-INF/prod.properties
@@ -34,7 +34,7 @@ database.password=${DATABASE_PASSWORD}
 #------------------------
 # Sendgrid Configuration
 #------------------------
-mail.smtp.port=587
+mail.smtp.port=465
 mail.smtp.host=smtp.sendgrid.net
 mail.username=${SENDGRID_USERNAME}
 mail.password=${SENDGRID_PASSWORD}