diff --git a/containers/xos/Dockerfile.devel b/containers/xos/Dockerfile.devel
index 7bed082..5dc62a6 100644
--- a/containers/xos/Dockerfile.devel
+++ b/containers/xos/Dockerfile.devel
@@ -50,6 +50,7 @@
     django-timezones \
     djangorestframework==3.3.3 \
     dnslib \
+    jinja2 \
     lxml \
     markdown \
     netaddr \