diff --git a/pysaunter/requirements.txt b/pysaunter/requirements.txt
index 40d6431..2e8f49d 100644
--- a/pysaunter/requirements.txt
+++ b/pysaunter/requirements.txt
@@ -1,6 +1,6 @@
 Fabric==1.8.1
 HARPy==0.2.0
-Jinja2==2.7.2
+Jinja2==2.11.3
 MarkupSafe==0.21
 Pygments==1.6
 Sphinx==1.2.2