diff --git a/idict-api/requirements.txt b/idict-api/requirements.txt
index 3ce811f..9a639d9 100644
--- a/idict-api/requirements.txt
+++ b/idict-api/requirements.txt
@@ -21,7 +21,7 @@ idna==2.7
 idna-ssl==1.1.0
 itsdangerous==0.24
 jedi==0.11.1
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 multidict==4.5.2
 numpy==1.15.2