diff --git a/Dockerfile b/Dockerfile
index 11a4422..5f69f30 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 #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:3.1-buster-slim AS base
+FROM mcr.microsoft.com/dotnet/aspnet:3.1-alpine AS base
 WORKDIR /app
 EXPOSE 80
 EXPOSE 443