diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 97d9a233..4fcd2806 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -83,7 +83,7 @@ void setup() {
 	
 // otherwise, run CubeSatSim Pico code
   
-  Serial.println("CubeSatSim Pico v0.2 starting...\n");
+  Serial.println("CubeSatSim Pico v0.21 starting...\n");
 	
   config_gpio();