diff --git a/backend/requirements.txt b/backend/requirements.txt
index 598416c..1f678f0 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -4,7 +4,7 @@ bs4==0.0.1
 Click==7.0
 Flask==1.0.2
 Flask-Cors==3.0.7
-gunicorn==19.9.0
+gunicorn==20.0.4
 isort==4.3.17
 itsdangerous==1.1.0
 Jinja2==2.10.1
@@ -15,6 +15,7 @@ PyJWT==1.7.1
 pylint==2.3.1
 six==1.12.0
 soupsieve==1.9.1
-typed-ast==1.3.4
-Werkzeug==0.15.2
+typed-ast==1.4.0
+Werkzeug==0.16.0
 wrapt==1.11.1
+