diff --git a/hbp_nrp_cleserver/requirements.txt b/hbp_nrp_cleserver/requirements.txt
index 115785f..31cd839 100644
--- a/hbp_nrp_cleserver/requirements.txt
+++ b/hbp_nrp_cleserver/requirements.txt
@@ -1,4 +1,4 @@
 pyxb==1.2.4
-Jinja2==2.7.1
+Jinja2==2.11.3
 defusedxml==0.5.0
 nengo==2.8.0