diff --git a/lib/pkp b/lib/pkp
index 7edf2f2174c..90a2a55f71d 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 7edf2f2174c6d82ec44bee6138de9d909f30950a
+Subproject commit 90a2a55f71d1eac01ef7ba86d8c854d00ad236e6