diff --git a/requirements/install.pip b/requirements/install.pip
index 37503bb1ec..7415da758a 100644
--- a/requirements/install.pip
+++ b/requirements/install.pip
@@ -27,7 +27,7 @@ html2text
 lxml
 mongoengine==0.10.6
 msgpack-python==0.4.8
-pillow
+pillow==3.4.2
 py-bcrypt==0.4
 pyliblzma==0.5.3
 python-dateutil==2.5.3