diff --git a/lib/pkp b/lib/pkp
index 437aff5056..1b0da6f2df 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 437aff50561641e614d75863c57e60c976425000
+Subproject commit 1b0da6f2df9ba6170755507857a182916e6bba0a