diff --git a/requirements.txt b/requirements.txt
index 86ab260..85a1215 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ blinker==1.4
 docutils==0.15.2
 feedgenerator==1.9
 icalendar==4.0.4
-Jinja2==2.10.3
+Jinja2==2.11.3
 Markdown==3.1.1
 MarkupSafe==1.1.1
 pelican==4.2.0