diff --git a/piping-server b/piping-server
index 37f0df8..4e4b886 160000
--- a/piping-server
+++ b/piping-server
@@ -1 +1 @@
-Subproject commit 37f0df8a1d5d06f9d90fcb28f3e0c0f58ee6b038
+Subproject commit 4e4b886a03aead99ad3d5b5504ccd07b38ec8992