diff --git a/packages/cli/src/commands/BaseCommand.ts b/packages/cli/src/commands/BaseCommand.ts
index c8292b5408..3ed08cfb37 100644
--- a/packages/cli/src/commands/BaseCommand.ts
+++ b/packages/cli/src/commands/BaseCommand.ts
@@ -55,6 +55,14 @@ export abstract class BaseCommand extends Command {
 			this.exitWithCrash('There was an error initializing DB', error),
 		);
 
+		const dbType = config.getEnv('database.type');
+
+		if (['mysqldb', 'mariadb'].includes(dbType)) {
+			LoggerProxy.warn(
+				'Support for MySQL/MariaDB has been deprecated and will be removed with an upcoming version of n8n. Please migrate to PostgreSQL.',
+			);
+		}
+
 		this.instanceId = this.userSettings.instanceId ?? '';
 		await Container.get(PostHogClient).init(this.instanceId);
 		await Container.get(InternalHooks).init(this.instanceId);
diff --git a/packages/cli/src/config/schema.ts b/packages/cli/src/config/schema.ts
index e570109f11..1a9413167f 100644
--- a/packages/cli/src/config/schema.ts
+++ b/packages/cli/src/config/schema.ts
@@ -129,7 +129,7 @@ export const schema = {
 		},
 		mysqldb: {
 			database: {
-				doc: 'MySQL Database',
+				doc: '[DEPRECATED] MySQL Database',
 				format: String,
 				default: 'n8n',
 				env: 'DB_MYSQLDB_DATABASE',