diff --git a/docker/meta-low-zoom-batch/requirements.txt b/docker/meta-low-zoom-batch/requirements.txt
index 62e5ccc..6bf08f8 100644
--- a/docker/meta-low-zoom-batch/requirements.txt
+++ b/docker/meta-low-zoom-batch/requirements.txt
@@ -12,7 +12,7 @@ Jinja2==2.10.1
 mapbox-vector-tile==1.2.0
 MarkupSafe==1.0
 ModestMaps==1.4.7
-protobuf==3.4.0
+protobuf==3.18.3
 psycopg2==2.7.3.2
 pyclipper==1.0.6
 pycountry==17.9.23