diff --git a/libraries/SoftwareSerial b/libraries/SoftwareSerial
index 4c08ee8d2..6d520c259 160000
--- a/libraries/SoftwareSerial
+++ b/libraries/SoftwareSerial
@@ -1 +1 @@
-Subproject commit 4c08ee8d2cb7b5b27eb4f86797694cbac94aa5c9
+Subproject commit 6d520c259cad4457ccdbee362c16f7fa3b504b06