diff --git a/lib/pkp b/lib/pkp
index b191acdc62..aa3c9dee3b 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit b191acdc62e0fbaa84447bc239cb9ef17c6381f1
+Subproject commit aa3c9dee3bab6fb828b44aaecbfee142baf80266