diff --git a/lib/pkp b/lib/pkp
index 0732f371715..a1caad182db 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 0732f3717155f038af7a6aec7cefe7b9f4bdc732
+Subproject commit a1caad182db02667ecebe229fb888c8d23423743