diff --git a/piping-server b/piping-server
index dc867ad..1d77658 160000
--- a/piping-server
+++ b/piping-server
@@ -1 +1 @@
-Subproject commit dc867add28608a28e02525ad595d2abab0fac34f
+Subproject commit 1d77658b754dbeffa867eecaf53c9bf4fb73e0a9