diff --git a/tools/esp8266/defines.h b/tools/esp8266/defines.h
index 8105593c..6c782ed6 100644
--- a/tools/esp8266/defines.h
+++ b/tools/esp8266/defines.h
@@ -21,7 +21,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       5
-#define VERSION_PATCH       2
+#define VERSION_PATCH       3
 
 
 //-------------------------------------