diff --git a/lib/pkp b/lib/pkp
index b796a519cf7..494a4a99a0f 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit b796a519cf78b9ff49b9e03d1b05946a4d4c294a
+Subproject commit 494a4a99a0f206819f9cea1cb138eb5f6281d4fd