diff --git a/app.py b/app.py
index ba145a3..428630b 100644
--- a/app.py
+++ b/app.py
@@ -6,6 +6,7 @@ from flask import (Flask, request, render_template, send_from_directory, abort,
 from flask_sqlalchemy import SQLAlchemy
 from flask_limiter import Limiter
 from flask_limiter.util import get_remote_address
+from flask_caching import Cache
 from mastodon import Mastodon
 import random
 from config import C
@@ -29,6 +30,8 @@ app = Flask(__name__)
 app.config.from_object('config.C')
 app.secret_key = C.session_key
 
+cache = Cache(config={'CACHE_TYPE': 'SimpleCache'})
+cache.init_app(app)
 
 MAST_LOGIN_URL = Mastodon(api_base_url=C.mast_base_uri).auth_request_url(
         client_id = C.mast_client_id,
@@ -203,6 +206,7 @@ def logout():
 
 
 @bp.route('/')
+@cache.cached(timeout=10)
 def home():
     stories = Story.query.order_by(Story.total_like_num.desc()).all()
     return render_template('home.html', **locals())
diff --git a/requirements.txt b/requirements.txt
index b0a714a..bf3fc19 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Flask~=2.0.2
 Flask_Limiter~=1.4
 Flask_SQLAlchemy~=2.5.1
-mastodon~=0.0.1
 Mastodon.py~=1.5.1
+Flask-Caching