diff --git a/lib/pkp b/lib/pkp
index 0ae901e55b8..f338b88afa7 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 0ae901e55b81a7789a1db3594ce4e0966df2ba67
+Subproject commit f338b88afa7d50682fc94e0c94c546a23e510046