diff --git a/build/Dockerfile b/build/Dockerfile
index fdfedc0..25cab5a 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0.401 AS builder
+FROM mcr.microsoft.com/dotnet/sdk:8.0.403 AS builder
 
 ARG HOMEASSISTANT__HOST
 ARG HOMEASSISTANT__PORT