diff --git a/functions/slack/main.py b/functions/slack/main.py
index 47f3ef037aff..31f50ea9ee79 100644
--- a/functions/slack/main.py
+++ b/functions/slack/main.py
@@ -1,4 +1,4 @@
-# Copyright 2018, Google, LLC.
+# Copyright 2018 Google LLC.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -15,6 +15,7 @@
 import os
 
 from flask import jsonify
+import functions_framework
 import googleapiclient.discovery
 from slack.signature import SignatureVerifier
 
@@ -89,6 +90,7 @@ def make_search_request(query):
 
 
 # [START functions_slack_search]
+@functions_framework.http
 def kg_search(request):
     if request.method != 'POST':
         return 'Only POST requests are accepted', 405
diff --git a/functions/slack/requirements.txt b/functions/slack/requirements.txt
index 94ee178e30fa..08c9316f9288 100644
--- a/functions/slack/requirements.txt
+++ b/functions/slack/requirements.txt
@@ -1,3 +1,4 @@
 google-api-python-client==2.41.0
 flask==2.1.0
+functions-framework==3.0.0
 slackclient==2.9.4