diff --git a/build/docker/Dockerfile b/build/docker/Dockerfile
index 5c3ff0de08..32dd74dee7 100644
--- a/build/docker/Dockerfile
+++ b/build/docker/Dockerfile
@@ -1,5 +1,5 @@
 # --platform tells docker to always use the host platform for the build not the target platform. Runtime container will use target platform.
-FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0.403-cbl-mariner2.0 AS build
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0.404-cbl-mariner2.0 AS build
 ARG TARGETARCH
 ARG FHIR_VERSION
 ARG ASSEMBLY_VER