diff --git a/lib/pkp b/lib/pkp
index 80f1467d6ef..e453134f443 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 80f1467d6ef2da5976c8e8bc7210e9e944c40f58
+Subproject commit e453134f4433953366dfd787220936b7c97ea905