diff --git a/lib/pkp b/lib/pkp
index e8c8d9c227..9dbfc07e1e 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit e8c8d9c22711e70e095c3038a5fcccc625adb408
+Subproject commit 9dbfc07e1ee7e4465594d998d1dfd2ce9fcde3b1