diff --git a/lib/pkp b/lib/pkp
index 188bba290b9..d903b2efbc5 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 188bba290b9e8e2b158891e71cd262d484d944af
+Subproject commit d903b2efbc5cb53d70c02dd54dce2acaefb8c0fb