diff --git a/lib/pkp b/lib/pkp
index 0194be3b0b..ebf9b5efc4 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 0194be3b0bfa2425d5283bfb03e0e9f650d10f76
+Subproject commit ebf9b5efc41fe03f5b4571b92cfb611a69fe1b67