diff --git a/lib/pkp b/lib/pkp
index 4d85c0feee..3b12f5aa88 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 4d85c0feee944902581c69d645cc59c5602dc714
+Subproject commit 3b12f5aa8898c776d74ecbe788f7fce5728dbcfd