diff --git a/framework/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Dockerfile b/framework/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Dockerfile
index b87da6d564..24db1701cb 100644
--- a/framework/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Dockerfile
+++ b/framework/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/aspnet:5.0 AS base
+FROM mcr.microsoft.com/dotnet/aspnet:5.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 COPY bin/Release/publish .