diff --git a/Dockerfile b/Dockerfile
index dc5ef7e..7aba99a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM python as builder
 
 #CCU firmware version to download
-ARG CCU_VERSION="3.49.17"
+ARG CCU_VERSION="3.53.30"
 
 #CCU Serial Number
 ARG CCU_SERIAL="NEQ1234567"