diff --git a/telem.c b/telem.c
index 7afceef2..1fc534a5 100644
--- a/telem.c
+++ b/telem.c
@@ -15,7 +15,7 @@ int main(int argc, char *argv[]) {
     }
   }
 
-  printf("CubeSatSim v2.0 INA219 Voltage and Current Telemetry\n");  
+  printf("CubeSatSim v2.1 INA219 Voltage and Current Telemetry\n");  
   map[MINUS_X] = MINUS_Y;
   map[PLUS_Z] = MINUS_X;	
   map[MINUS_Y] = PLUS_Z;