diff --git a/cores/rl78g15/main.h b/cores/rl78g15/main.h
index b2e72ed..eed8df3 100644
--- a/cores/rl78g15/main.h
+++ b/cores/rl78g15/main.h
@@ -1,6 +1,6 @@
 // main.h
 
-#define USE_I2C   0
+#define USE_I2C   1
 #define USE_UART0 1
 #define USE_SPI   0
 //  ADC is used for Analog Read
diff --git a/platform.txt b/platform.txt
index 55e95f8..44191c3 100644
--- a/platform.txt
+++ b/platform.txt
@@ -4,7 +4,7 @@
 # For more info:
 # LLVM Prototype Package for Tools Test
 name=Renesas RL78/G15
-version=1.0.0
+version=1.1.0
 
 # --------------------- 
 # AVR compile variables