diff --git a/avr/platform.txt b/avr/platform.txt
index 342e42c0a..c22519ccb 100644
--- a/avr/platform.txt
+++ b/avr/platform.txt
@@ -5,7 +5,7 @@
 # https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5---3rd-party-Hardware-specification
 
 name=MegaCore
-version=2.1.0
+version=2.1.1
 
 # AVR compile variables
 # ---------------------