diff --git a/lib/pkp b/lib/pkp
index ee523427f2..dbb8b9a4be 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit ee523427f2e8c66e566926340cd9a7fd37a54532
+Subproject commit dbb8b9a4be586e471bd0348be9cd332d0f7651f9