diff --git a/platform.txt b/platform.txt
index eda5593c3..e5b47dc61 100644
--- a/platform.txt
+++ b/platform.txt
@@ -20,7 +20,7 @@
 # https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5---3rd-party-Hardware-specification
 
 name=Adafruit SAMD (32-bits ARM Cortex-M0+ and Cortex-M4) Boards
-version=1.5.2
+version=1.5.3
 
 # Compile variables
 # -----------------