diff --git a/src/oidc-guard/Dockerfile b/src/oidc-guard/Dockerfile
index cd221b9..64a78a5 100644
--- a/src/oidc-guard/Dockerfile
+++ b/src/oidc-guard/Dockerfile
@@ -1,6 +1,6 @@
 ARG BUILDPLATFORM=linux/amd64
 
-FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0-alpine@sha256:c1f3e3f9a93d0727edf83f13d32f6130c430803aa34acc037a2d65adf58c07c6 AS build
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0-alpine@sha256:f2a31f8b5d9744df36b7aeb89bf22231a8032c150345297d3ab52fc1988aa754 AS build
 WORKDIR /src
 COPY oidc-guard.csproj .
 RUN dotnet restore "oidc-guard.csproj"