diff --git a/libraries/SoftwareSerial b/libraries/SoftwareSerial
index 5a84bc8a35..e51872ca20 160000
--- a/libraries/SoftwareSerial
+++ b/libraries/SoftwareSerial
@@ -1 +1 @@
-Subproject commit 5a84bc8a3588cde4f10f710e4297dc958286cc9f
+Subproject commit e51872ca201d307a57ca03cbce4d18497c9daef3