diff --git a/lib/pkp b/lib/pkp
index 86d9fe1cdc8..47a1725064d 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 86d9fe1cdc851a2518c813092d0c887529e51f59
+Subproject commit 47a1725064de490ef5e96433a6eba1d91e9715fb