diff --git a/lib/pkp b/lib/pkp
index ac0e09ebe29..d86c2396e89 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit ac0e09ebe29714409fa58191e827f09ab8322d77
+Subproject commit d86c2396e893e53aae027ffaa7969ceaf1ff37d5