diff --git a/lib/pkp b/lib/pkp
index cc08b6447f..84afb80a53 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit cc08b6447f89879c7d454d0bb6e6266e4b428630
+Subproject commit 84afb80a53483c7ebe9b182c43e28641bf4a9306