diff --git a/data_logger/requirements.txt b/data_logger/requirements.txt
index 99f8083..1678918 100644
--- a/data_logger/requirements.txt
+++ b/data_logger/requirements.txt
@@ -1,2 +1,2 @@
-Jinja2==2.10.1
+Jinja2==2.11.3
 nodemcu-uploader==0.4.3
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 1d35db7..95533ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Flask==1.0.3
 Flask-SQLAlchemy==2.4.0
 flup==1.0.3
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 SQLAlchemy==1.3.5
 Werkzeug==0.15.4