diff --git a/requirements.txt b/requirements.txt
index edc7429..3977396 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,6 +13,7 @@ dnspython==2.0.0
 email-validator==1.1.1
 feedparser==6.0.1
 Flask==1.1.2
+Flask-Caching==1.9.0
 Flask-Login==0.5.0
 Flask-Migrate==2.5.3
 Flask-SQLAlchemy==2.4.4
@@ -42,6 +43,7 @@ python-dotenv==0.14.0
 python-editor==1.0.4
 requests==2.24.0
 requests-futures==1.0.0
+sgmllib3k==1.0.0
 six==1.15.0
 soupsieve==2.0.1
 SQLAlchemy==1.3.19