diff --git a/lib/pkp b/lib/pkp
index 5a3783328cb..320bbcc62eb 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 5a3783328cbd12265806138847f8d7c7e42506fa
+Subproject commit 320bbcc62eb620af976bb5dd9eb3f466dff3cf46