diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index a7549766..6c0fe441 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: 8.x
+          dotnet-version: 9.x
 
       - name: Restore Dependencies
         run: dotnet restore
@@ -101,7 +101,7 @@ jobs:
       - name: Setup Buildx
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: '8.x'
+          dotnet-version: '9.x'
           include-prerelease: true
 
       - name: Build Artifact
diff --git a/OpenAlprWebhookProcessor.Server/Dockerfile b/OpenAlprWebhookProcessor.Server/Dockerfile
index 89907e2f..0948dfb9 100644
--- a/OpenAlprWebhookProcessor.Server/Dockerfile
+++ b/OpenAlprWebhookProcessor.Server/Dockerfile
@@ -1,11 +1,11 @@
 #See https://aka.ms/customizecontainer to learn how to customize your debug container and how Visual Studio uses this Dockerfile to build your images for faster debugging.
 
-FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS base
+FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS base
 USER app
 WORKDIR /app
 EXPOSE 8080
 
-FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
 ARG BUILD_CONFIGURATION=Release
 WORKDIR /src