diff --git a/serverless.yml b/serverless.yml
index b7ae5d6..72218c3 100644
--- a/serverless.yml
+++ b/serverless.yml
@@ -47,4 +47,7 @@ custom:
     domainName: slack.team-joon.com
     basePath: ''
     stage: ${self:provider.stage}
-    createRoute53Record: false 
+    createRoute53Record: false
+    endpointType: 'regional'
+    securityPolicy: tls_1_2 
+    apiType: http