diff --git a/Viewer_1-master/app/requirements.txt b/Viewer_1-master/app/requirements.txt
index cccb50c..a750ccf 100644
--- a/Viewer_1-master/app/requirements.txt
+++ b/Viewer_1-master/app/requirements.txt
@@ -12,7 +12,7 @@ Flask-SQLAlchemy==2.3.2
 Flask-WTF==0.14.2
 gevent==1.3.7
 greenlet==0.4.15
-Jinja2==2.10
+Jinja2==2.11.3
 lazy==1.3
 requests==2.20.1
 Werkzeug==0.14.1
diff --git a/Viewer_1-master/deploy 0.0.2.1/requirements.txt b/Viewer_1-master/deploy 0.0.2.1/requirements.txt
index cccb50c..a750ccf 100644
--- a/Viewer_1-master/deploy 0.0.2.1/requirements.txt	
+++ b/Viewer_1-master/deploy 0.0.2.1/requirements.txt	
@@ -12,7 +12,7 @@ Flask-SQLAlchemy==2.3.2
 Flask-WTF==0.14.2
 gevent==1.3.7
 greenlet==0.4.15
-Jinja2==2.10
+Jinja2==2.11.3
 lazy==1.3
 requests==2.20.1
 Werkzeug==0.14.1
diff --git a/Viewer_1-master/deploy 0.0.2/requirements.txt b/Viewer_1-master/deploy 0.0.2/requirements.txt
index cccb50c..a750ccf 100644
--- a/Viewer_1-master/deploy 0.0.2/requirements.txt	
+++ b/Viewer_1-master/deploy 0.0.2/requirements.txt	
@@ -12,7 +12,7 @@ Flask-SQLAlchemy==2.3.2
 Flask-WTF==0.14.2
 gevent==1.3.7
 greenlet==0.4.15
-Jinja2==2.10
+Jinja2==2.11.3
 lazy==1.3
 requests==2.20.1
 Werkzeug==0.14.1
diff --git a/Viewer_1-master/deploy 0.0.3/requirements.txt b/Viewer_1-master/deploy 0.0.3/requirements.txt
index cccb50c..a750ccf 100644
--- a/Viewer_1-master/deploy 0.0.3/requirements.txt	
+++ b/Viewer_1-master/deploy 0.0.3/requirements.txt	
@@ -12,7 +12,7 @@ Flask-SQLAlchemy==2.3.2
 Flask-WTF==0.14.2
 gevent==1.3.7
 greenlet==0.4.15
-Jinja2==2.10
+Jinja2==2.11.3
 lazy==1.3
 requests==2.20.1
 Werkzeug==0.14.1
diff --git a/Viewer_1-master/requirements.txt b/Viewer_1-master/requirements.txt
index 7b7ed95..38c58bd 100644
--- a/Viewer_1-master/requirements.txt
+++ b/Viewer_1-master/requirements.txt
@@ -20,7 +20,7 @@ gevent-websocket==0.10.1
 greenlet==0.4.15
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 lazy==1.4
 Mako==1.0.7
 MarkupSafe==1.1.1
diff --git a/Viewer_1-master/to deploy/requirements.txt b/Viewer_1-master/to deploy/requirements.txt
index cccb50c..a750ccf 100644
--- a/Viewer_1-master/to deploy/requirements.txt	
+++ b/Viewer_1-master/to deploy/requirements.txt	
@@ -12,7 +12,7 @@ Flask-SQLAlchemy==2.3.2
 Flask-WTF==0.14.2
 gevent==1.3.7
 greenlet==0.4.15
-Jinja2==2.10
+Jinja2==2.11.3
 lazy==1.3
 requests==2.20.1
 Werkzeug==0.14.1