diff --git a/Dockerfile b/Dockerfile
index 5e13001..08b6316 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
 #See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
 
-FROM mcr.microsoft.com/dotnet/aspnet:7.0 AS base
+FROM mcr.microsoft.com/dotnet/aspnet:6.0 AS base
 WORKDIR /app
 EXPOSE 80
 EXPOSE 443
 
-FROM mcr.microsoft.com/dotnet/sdk:7.0 AS build
+FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build
 WORKDIR /src
 COPY ["FastTunnel.Server/FastTunnel.Server.csproj", "FastTunnel.Server/"]
 COPY ["FastTunnel.Api/FastTunnel.Api.csproj", "FastTunnel.Api/"]