diff --git a/requirements.txt b/requirements.txt
index 81720e06..8ff625df 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ eth-typing==1.3.0
 eth-utils==1.3.0
 hexbytes==0.1.0
 idna==2.5
-Jinja2==2.9.6
+Jinja2==2.11.3
 json-rpc==1.10.3
 jsonschema==2.6.0
 lru-dict==1.1.6