diff --git a/sphinx/requirements.txt b/sphinx/requirements.txt
index abad429..ecae0b0 100644
--- a/sphinx/requirements.txt
+++ b/sphinx/requirements.txt
@@ -6,7 +6,7 @@ CommonMark==0.5.4
 docutils==0.14
 idna==2.7
 imagesize==1.0.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.0
 markdown==2.6.11
 packaging==17.1