diff --git a/app/Dockerfile b/app/Dockerfile
index d764de0..eb87326 100644
--- a/app/Dockerfile
+++ b/app/Dockerfile
@@ -1,6 +1,6 @@
 # https://mcr.microsoft.com/product/dotnet/sdk
 # https://mcr.microsoft.com/v2/dotnet/sdk/tags/list
-FROM mcr.microsoft.com/dotnet/sdk:8.0.203-alpine3.18-amd64@sha256:88b2081be6c081e4f4a5cbf4d3317794ac01be3f15bc9afac4fe88c41d85521d as builder
+FROM mcr.microsoft.com/dotnet/sdk:8.0.204-alpine3.18-amd64@sha256:5374b4d70e4c6b357c5cc08276f8c046bb67339902ccb89e39242333a05305ad as builder
 RUN apk add clang build-base zlib-dev
 WORKDIR /app
 COPY my-sample-app.csproj .