diff --git a/lib/pkp b/lib/pkp
index 04854e60e75..4fddbea0c38 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 04854e60e75167e5a02fc6e5b44f7e884461b05b
+Subproject commit 4fddbea0c385a16fc829dd9e14d9150e032e3499