diff --git a/lib/pkp b/lib/pkp
index 7a7439596e..460220c8db 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 7a7439596edcd0fcdf73af166898fa3bb587085e
+Subproject commit 460220c8db56a37cbce2669624c171c1bbaea73e