diff --git a/lib/pkp b/lib/pkp
index e853ef203b..b103dffbfa 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit e853ef203b907094bf193a6f43462a2537b32ee9
+Subproject commit b103dffbfa9d420ac0f0b768d138ce353fc96528