diff --git a/platform.txt b/platform.txt
index ab372dd9..48de7958 100644
--- a/platform.txt
+++ b/platform.txt
@@ -5,7 +5,7 @@
 # https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5---3rd-party-Hardware-specification
 
 name=ATTinyCore
-version=1.3.0
+version=1.3.1
 
 # AVR compile variables
 # ---------------------