diff --git a/requirements.txt b/requirements.txt
index e6ddfb9e..619f5886 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ chardet==3.0.4
 docutils==0.14
 feedgenerator==1.9
 idna==2.8
-Jinja2==2.10
+Jinja2==2.11.3
 Markdown==3.0.1
 MarkupSafe==1.1.0
 pelican==4.0.1