diff --git a/lib/pkp b/lib/pkp
index e4585829f6f..8384b611c16 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit e4585829f6f1574de2015282f7dba1a2dcfa1b0d
+Subproject commit 8384b611c163402284c7869a954921b543b12346