diff --git a/lib/pkp b/lib/pkp
index 9231adc3c8..cdbe159af1 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 9231adc3c8a72019d23d1815a7aadbfe34f467a8
+Subproject commit cdbe159af14a0c8292560d2ba4207a074a4c0c67