diff --git a/src/com_tjnotifications/admin/sql/updates/mysql/1.0.4.sql b/src/com_tjnotifications/admin/sql/updates/mysql/1.0.4.sql
new file mode 100644
index 00000000..6491ad3d
--- /dev/null
+++ b/src/com_tjnotifications/admin/sql/updates/mysql/1.0.4.sql
@@ -0,0 +1,33 @@
+
+
+
+--
+-- Change default table CHARACTER to utf8mb4 and COLLATE to utf8mb4_unicode_ci;
+--
+
+ALTER TABLE `#__tj_notification_providers` ENGINE = InnoDB;
+ALTER TABLE `#__tj_notification_templates` ENGINE = InnoDB;
+ALTER TABLE `#__tj_notification_user_exclusions` ENGINE = InnoDB;
+
+-- #__tj_notification_providers columns
+ALTER TABLE `#__tj_notification_providers` CHANGE `provider` `provider` VARCHAR(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+
+-- #__tj_notification_templates columns
+ALTER TABLE `#__tj_notification_templates` CHANGE `client` `client` VARCHAR(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_templates` CHANGE `key` `key` VARCHAR(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_templates` CHANGE `title` `title` VARCHAR(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_templates` CHANGE `email_body` `email_body` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_templates` CHANGE `sms_body` `sms_body` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_templates` CHANGE `push_body` `push_body` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_templates` CHANGE `web_body` `web_body` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_templates` CHANGE `email_subject` `email_subject` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_templates` CHANGE `sms_subject` `sms_subject` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_templates` CHANGE `push_subject` `push_subject` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_templates` CHANGE `web_subject` `web_subject` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_templates` CHANGE `replacement_tags` `replacement_tags` TEXT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+
+-- #__tj_notification_user_exclusions columns
+ALTER TABLE `#__tj_notification_user_exclusions` CHANGE `client` `client` VARCHAR(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_user_exclusions` CHANGE `key` `key` VARCHAR(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+ALTER TABLE `#__tj_notification_user_exclusions` CHANGE `provider` `provider` VARCHAR(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
+