diff --git a/lib/pkp b/lib/pkp
index 5a3783328c..89412893c4 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 5a3783328cbd12265806138847f8d7c7e42506fa
+Subproject commit 89412893c4855bd367e8b086891eab1faef77976