diff --git a/lib/pkp b/lib/pkp
index 8d8bd1850f4..45c7b5621d1 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 8d8bd1850f498b0b0757e1b03260a08cb396d15b
+Subproject commit 45c7b5621d1718947129f6c5da5c9c72af6c9ffd