diff --git a/requirements.txt b/requirements.txt
index 53bd8db..ecad140 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Flask-SQLAlchemy==2.4.1
 Flask-WTF==0.14.3
 gunicorn==20.0.4
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 Mako==1.1.1
 MarkupSafe==1.1.1
 PyMySQL==0.9.3
diff --git a/rtd-requirements.txt b/rtd-requirements.txt
index 4c9b009..c6d84cb 100644
--- a/rtd-requirements.txt
+++ b/rtd-requirements.txt
@@ -14,7 +14,7 @@ Flask-SQLAlchemy==2.4.1
 Flask-WTF==0.14.3
 gunicorn==20.0.4
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 Mako==1.1.1
 MarkupSafe==1.1.1
 PyMySQL==0.9.3