diff --git a/desk/docker/worker/requirements.txt b/desk/docker/worker/requirements.txt
index 5dedd7f..1092959 100644
--- a/desk/docker/worker/requirements.txt
+++ b/desk/docker/worker/requirements.txt
@@ -2,7 +2,7 @@
 lxml==3.4.0
 CairoSVG==1.0.9
 Cython==0.21
-Jinja2==2.7.3
+Jinja2==2.11.3
 MarkupSafe==0.23
 PyMySQL==0.6.2
 Pyphen==0.9.1