diff --git a/src/requirements/paypal.txt b/src/requirements/paypal.txt
index 5bf92ed3b6..0ab11e8fbc 100644
--- a/src/requirements/paypal.txt
+++ b/src/requirements/paypal.txt
@@ -1,2 +1,2 @@
 paypalrestsdk>=1.9,<1.10,<2.0
-
+pycparser==2.13  # https://github.com/eliben/pycparser/issues/147