diff --git a/requirements.txt b/requirements.txt
index 8365ccc..a975d35 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask-SQLAlchemy==2.3.2
 httplib2==0.12.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.0
 oauth2client==4.1.3
 packaging==18.0
diff --git a/requirements3.txt b/requirements3.txt
index a0956ba..cfc8b7e 100644
--- a/requirements3.txt
+++ b/requirements3.txt
@@ -3,7 +3,7 @@ Click==7.0
 Flask==1.0.2
 httplib2==0.12.0
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 language-selector==0.1
 MarkupSafe==1.1.0
 oauth2client==4.1.3