diff --git a/tools/esp8266/defines.h b/tools/esp8266/defines.h
index 9283a52e..76035dcb 100644
--- a/tools/esp8266/defines.h
+++ b/tools/esp8266/defines.h
@@ -20,8 +20,8 @@
 // VERSION
 //-------------------------------------
 #define VERSION_MAJOR       0
-#define VERSION_MINOR       4
-#define VERSION_PATCH       26
+#define VERSION_MINOR       5
+#define VERSION_PATCH       1
 
 
 //-------------------------------------