diff --git a/lib/pkp b/lib/pkp
index 72087f4dabb..8d44e9816b8 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 72087f4dabb1e80629b33639e3568501fd309fe2
+Subproject commit 8d44e9816b8c1601b68b085c6c911119a3d79fa9