diff --git a/nginx-aspnet-mysql/backend/Dockerfile b/nginx-aspnet-mysql/backend/Dockerfile
index dd5d671..12446dd 100755
--- a/nginx-aspnet-mysql/backend/Dockerfile
+++ b/nginx-aspnet-mysql/backend/Dockerfile
@@ -1,8 +1,8 @@
 
-FROM mcr.microsoft.com/dotnet/aspnet:5.0 as base
+FROM mcr.microsoft.com/dotnet/aspnet:6.0 as base
 WORKDIR /app
 
-FROM mcr.microsoft.com/dotnet/sdk:5.0 AS build
+FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build
 COPY . /src
 WORKDIR /src
 RUN ls