diff --git a/src/requirements/production.txt b/src/requirements/production.txt
index 3eb8652f..414057fb 100644
--- a/src/requirements/production.txt
+++ b/src/requirements/production.txt
@@ -7,3 +7,5 @@ django-filter>=0.14,<0.15
 shapely>=1.5,<1.6
 celery>=3.1,<3.2
 requests>=2.11,<2.12
+Pillow>=3.4.2,<3.5
+matplotlib>=1.5.3,<1.6