diff --git a/app/Dockerfile b/app/Dockerfile
index 61eb70a..d00f7a8 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:8.0.300-alpine3.18-amd64@sha256:8fa0d7e0f79aa70d9cf49e11e30e909d39b34a173ffacea3fa73b5d2a25f025f as builder
+FROM mcr.microsoft.com/dotnet/sdk:8.0.300-alpine3.18-amd64@sha256:f6e0972b79c63c4307b849e039767c4f3780b87e42c5d78d9abbda86ced97fdb as builder
 RUN apk add clang build-base zlib-dev
 WORKDIR /app
 COPY my-sample-app.csproj .