diff --git a/megaavr/platform.txt b/megaavr/platform.txt
index e4928918..4cbf0c0b 100644
--- a/megaavr/platform.txt
+++ b/megaavr/platform.txt
@@ -6,8 +6,7 @@
 # https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5-3rd-party-Hardware-specification
 
 name=megaTinyCore
-version=1.0.1-dev
-
+version=1.0.1
 
 # AVR compile variables
 # ---------------------