diff --git a/lib/pkp b/lib/pkp
index 0ac74328afe..297e2a9456b 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 0ac74328afe1b56584597d6163f2b812bfd198be
+Subproject commit 297e2a9456bb89bdd54160af0ddc28a042ea8de2