diff --git a/Dockerfile b/Dockerfile
index 9737851..b20efef 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
-FROM mcr.microsoft.com/dotnet/runtime:8.0 AS base
+FROM mcr.microsoft.com/dotnet/runtime:9.0 AS base
 USER $APP_UID
 WORKDIR /app
 
-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
 COPY ["VRCAuthProxy/VRCAuthProxy.csproj", "VRCAuthProxy/"]
@@ -15,7 +15,7 @@ FROM build AS publish
 ARG BUILD_CONFIGURATION=Release
 RUN dotnet publish "VRCAuthProxy.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=false
 
-FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS final
+FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS final
 RUN apt update && \
     apt install -y curl
 WORKDIR /app