diff --git a/lib/pkp b/lib/pkp
index 1f78b8f3530..c1bcdc8d515 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 1f78b8f3530869be44ceb4aec77239e375548b18
+Subproject commit c1bcdc8d515e7b711c9a0e16c4a1a51d3eaf1414