diff --git a/requirements.txt b/requirements.txt
index e607734..aef7917 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,6 @@ testtube==1.0.0
 
 # Documentation requirements.
 Pygments==1.5
-Jinja2==2.6
+Jinja2==2.11.3
 docutils==0.9.1
 Sphinx==1.1.3