diff --git a/src/Tuitio/Dockerfile b/src/Tuitio/Dockerfile
index 0fdbd60..e937718 100644
--- a/src/Tuitio/Dockerfile
+++ b/src/Tuitio/Dockerfile
@@ -1,10 +1,10 @@
 #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:6.0 AS base
+FROM mcr.microsoft.com/dotnet/aspnet:6.0-bullseye-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build
+FROM mcr.microsoft.com/dotnet/sdk:6.0-bullseye-slim AS build
 WORKDIR /workspace
 COPY ["dependencies.props", "."]
 COPY ["Directory.Build.props", "."]