diff --git a/firmware/td-io.c b/firmware/td-io.c
index 966c942..3a8b14c 100644
--- a/firmware/td-io.c
+++ b/firmware/td-io.c
@@ -88,7 +88,7 @@ uint8_t meter_timeout_p2 = 0;
 #define SR_TILT 29
 
 const uint8_t JVS_COMM_VER = 0x20;
-const char id_str[] = "TD;TD-IO;v1.2;https://github.com/tdaede/td-io";
+const char id_str[] = "TD;TD-IO;v1.3;https://github.com/tdaede/td-io";
 const char JVS_COMM_SUPPORT = 0x07;
 const uint JVS_COMM_SPEEDS[3] = { 115200, 1000000, 3000000 };