diff --git a/README b/README
index 6f0a1ad..ec58e9b 100644
--- a/README
+++ b/README
@@ -187,5 +187,6 @@ Known Working Targets:
 * STM32F401xx (STM32 Nucleo-F401RE board) 
 * STM32F030R8T6 (STM32 Nucleo-F030R8 board)
 * STM32F072RBT6 (STM32 Nucleo-F072RB board)
+* STM32F103RB (STM32 Nucleo-F103RB board)
 
 Please report any and all known working combinations so I can update this!