diff --git a/src/Dockerfile b/src/Dockerfile
index 60aa9858..72296ce0 100644
--- a/src/Dockerfile
+++ b/src/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0-alpine AS build
+FROM mcr.microsoft.com/dotnet/sdk:9.0-alpine AS build
 WORKDIR /App
 
 COPY /App/App.csproj .