diff --git a/lib/pkp b/lib/pkp
index ed96a30fbb2..fcd4ba3fc36 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit ed96a30fbb2df923ceaaad4e9e3396fc25906c74
+Subproject commit fcd4ba3fc36b2a718a6fbdce10416d6474640889