diff --git a/lib/pkp b/lib/pkp
index 1824f2d09e4..072e39e9ed7 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 1824f2d09e49af9d79a303e492cca53f98bb2496
+Subproject commit 072e39e9ed7f01a70b6104aeaad8fb6f58700b6c