diff --git a/lib/pkp b/lib/pkp
index a913c60df0..72087f4dab 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit a913c60df0b20f6db79722badc50944b852d76f0
+Subproject commit 72087f4dabb1e80629b33639e3568501fd309fe2