diff --git a/lib/pkp b/lib/pkp
index 877e9ee1d79..79daa4200a7 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 877e9ee1d7970e1023e32eb8ece38aaf004cb1a9
+Subproject commit 79daa4200a7d8e49ddc9060bb74d771b07b9d580