diff --git a/modules/cms-kit/database/Dockerfile b/modules/cms-kit/database/Dockerfile
index 6257db9899..416308789f 100644
--- a/modules/cms-kit/database/Dockerfile
+++ b/modules/cms-kit/database/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:7.0-buster AS build
 COPY . .
 
 WORKDIR /templates/service/host/IdentityServerHost
diff --git a/modules/cms-kit/host/Volo.CmsKit.HttpApi.Host/Dockerfile b/modules/cms-kit/host/Volo.CmsKit.HttpApi.Host/Dockerfile
index c13abce9a3..7085e3d05f 100644
--- a/modules/cms-kit/host/Volo.CmsKit.HttpApi.Host/Dockerfile
+++ b/modules/cms-kit/host/Volo.CmsKit.HttpApi.Host/Dockerfile
@@ -1,8 +1,8 @@
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:7.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:7.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR /src/templates/service/host/Volo.CmsKit.HttpApi.Host
diff --git a/modules/cms-kit/host/Volo.CmsKit.IdentityServer/Dockerfile b/modules/cms-kit/host/Volo.CmsKit.IdentityServer/Dockerfile
index bc353a0abd..3386df7fc4 100644
--- a/modules/cms-kit/host/Volo.CmsKit.IdentityServer/Dockerfile
+++ b/modules/cms-kit/host/Volo.CmsKit.IdentityServer/Dockerfile
@@ -1,8 +1,8 @@
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:7.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:7.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR /src/templates/service/host/Volo.CmsKit.IdentityServer
diff --git a/modules/docs/app/VoloDocs.Migrator/Dockerfile b/modules/docs/app/VoloDocs.Migrator/Dockerfile
index 655f973d95..a752089450 100644
--- a/modules/docs/app/VoloDocs.Migrator/Dockerfile
+++ b/modules/docs/app/VoloDocs.Migrator/Dockerfile
@@ -1,8 +1,8 @@
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:7.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:7.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/modules/docs/app/VoloDocs.Migrator"
diff --git a/modules/docs/app/VoloDocs.Web/Dockerfile b/modules/docs/app/VoloDocs.Web/Dockerfile
index 108eaa2508..a42cac39b0 100644
--- a/modules/docs/app/VoloDocs.Web/Dockerfile
+++ b/modules/docs/app/VoloDocs.Web/Dockerfile
@@ -1,8 +1,8 @@
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:7.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:7.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/modules/docs/app/VoloDocs.Web"