diff --git a/README.md b/README.md
index 927491f..63dfd9b 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ http://47.254.36.66/0_D0002_18/MW3_15_0501_1.21.bin
 http://47.254.36.66/0_D0002_18/MW3_15_0501_1.23.bin
 
 # Deye Hybrid Inverters
-http://47.254.36.66/0_5407_18/MCU1-SG-Ver0000-C362-CK.bin
+http://47.254.36.66/0_5407_1/MCU1-SG-Ver0000-C362-CK.bin
 
 ```