diff --git a/lib/pkp b/lib/pkp
index 35916d0c10..928e0118d6 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 35916d0c1085c0231e733213c3557a5ebad9b666
+Subproject commit 928e0118d64248abf9421cbb80623e61dc75b0f1