diff --git a/requirements.txt b/requirements.txt
index 2d87f87d3cd3e7169f160f31741fd2385e44576b..8ddce39523486fbd85b734c6cc1a11d671a2be22 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 Django==1.10.3
 gunicorn==19.6.0
+Pillow==3.4.2
 pkg-resources==0.0.0
 psycopg2==2.6.2