diff --git a/src/requirements.txt b/src/requirements.txt
index b153fda3d5..19b88b46c1 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -2,3 +2,4 @@
 -r requirements/py33.txt
 -r requirements/dev.txt
 -r requirements/testing.txt
+-r requirements/paypal.txt