diff --git a/firmware/src/src.ino b/firmware/src/src.ino
index 2e4a50f..0b9956c 100644
--- a/firmware/src/src.ino
+++ b/firmware/src/src.ino
@@ -64,7 +64,7 @@
 boolean debug=1;                                                      // Set to 1 to few debug serial output
 boolean flash_led=0;                                                  // Flash LED after each sample (battery drain) default=0
 
-const unsigned int  version = 323;                                    // firmware version
+const unsigned int  version = 324;                                    // firmware version
 // These variables control the transmit timing of the emonTH
 const unsigned long WDT_PERIOD = 80;                                  // mseconds.
 const unsigned long WDT_MAX_NUMBER = 690;                             // Data sent after WDT_MAX_NUMBER periods of WDT_PERIOD ms without pulses: