diff --git a/lib/pkp b/lib/pkp
index 8d8bd1850f4..9372906192c 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 8d8bd1850f498b0b0757e1b03260a08cb396d15b
+Subproject commit 9372906192c0c386d2be0d7e42b391f22a1fb1f5