diff --git a/piping-server b/piping-server
index 7505ec5..6f3667b 160000
--- a/piping-server
+++ b/piping-server
@@ -1 +1 @@
-Subproject commit 7505ec59defa7e26f06fa7ce13638f94107a7b49
+Subproject commit 6f3667b51eda71dca90103effa61dd818c69f2de