diff --git a/lib/pkp b/lib/pkp
index f04f2020f3..86d9fe1cdc 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit f04f2020f3b76720b34951ae6545cb3dadc5a504
+Subproject commit 86d9fe1cdc851a2518c813092d0c887529e51f59