diff --git a/docker/client/Dockerfile.public b/docker/client/Dockerfile.public
index a4149461..7affe976 100644
--- a/docker/client/Dockerfile.public
+++ b/docker/client/Dockerfile.public
@@ -2,7 +2,7 @@
 # supplied by a separately reviewed deployment overlay.
 # This file intentionally has no source, credential, or tooling dependency on
 # private repositories.
-FROM mcr.microsoft.com/dotnet/sdk:10.0.401-noble AS build
+FROM mcr.microsoft.com/dotnet/sdk:10.0.402-noble AS build
 ARG PublicSourceRevision
 ARG BUILD_CONFIGURATION=Release
 ARG TARGETARCH