diff --git a/lib/pkp b/lib/pkp
index e67286ab37e..1b23cb365ea 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit e67286ab37ee74ac1f9e42c93e58b3a256053815
+Subproject commit 1b23cb365ea495cefed5e93e1a6190d11f94ac3c