diff --git a/lib/pkp b/lib/pkp
index f817a7ca60..e97eb7e36e 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit f817a7ca6027472241d8ed438f0ea0281b850915
+Subproject commit e97eb7e36e71f098de6a7e771891f3f61ab8eb84