diff --git a/lib/pkp b/lib/pkp
index 2def21b816..77965606ca 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 2def21b81637a03d587f50ec82c51dbbb4ba5282
+Subproject commit 77965606ca3ced2a7eba4be0e6876eb7a4f054a2