diff --git a/Dockerfile b/Dockerfile
index c6ae7806..ef907163 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@
 # Must override builder-base, not builder, since the latter is referred to later in the file and so must not be
 # directly replaced. See here, and note that "stage" parameter mentioned there has been renamed to
 # "build-context": https://github.com/docker/buildx/pull/904#issuecomment-1005871838
-FROM golang:1.25.2-bookworm@sha256:42d8e9dea06f23d0bfc908826455213ee7f3ed48c43e287a422064220c501be9 AS builder-base
+FROM golang:1.25.3-bookworm@sha256:ee420c17fa013f71eca6b35c3547b854c838d4f26056a34eb6171bba5bf8ece4 AS builder-base
 FROM --platform=$BUILDPLATFORM builder-base AS builder
 
 ARG TARGETARCH