diff --git a/Grbl_Esp32/grbl.h b/Grbl_Esp32/grbl.h
index 4f150261..3d85c632 100644
--- a/Grbl_Esp32/grbl.h
+++ b/Grbl_Esp32/grbl.h
@@ -21,7 +21,7 @@
 // Grbl versioning system
 
 #define GRBL_VERSION "1.2a"
-#define GRBL_VERSION_BUILD "20200420"
+#define GRBL_VERSION_BUILD "20200423"
 
 //#include <sdkconfig.h>
 #include <Arduino.h>