diff --git a/lib/pkp b/lib/pkp
index f50463790b3..3fdd61a86aa 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit f50463790b35216af4495257c9d9e06fc3be060d
+Subproject commit 3fdd61a86aa5ba6e72aac38304de38dea4c540b5