diff --git a/lib/pkp b/lib/pkp
index 0f866e88033..1085d09ef53 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 0f866e88033621e8da0825bfe78b620308daf842
+Subproject commit 1085d09ef53fb44a1211b0ae6f25f5fd884b1624