diff --git a/lib/pkp b/lib/pkp
index 9bac544bf8..01ef9fe3cc 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 9bac544bf858c39150bdb430f66767205e905062
+Subproject commit 01ef9fe3ccf112ffc43eb3fdea344cb4e2311786