diff --git a/Dockerfile b/Dockerfile
index b3615e4f..f5141829 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0-alpine AS build-env
+FROM mcr.microsoft.com/dotnet/sdk:9.0-alpine AS build-env
 WORKDIR /App
 
 # Copy everything