diff --git a/lib/pkp b/lib/pkp
index a351645bf60..4eadf548cb1 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit a351645bf600be7e1c2ac705c6f6f66ced8e4b3c
+Subproject commit 4eadf548cb12232d211312ea3e9c12d59e23081b