diff --git a/Dockerfile b/Dockerfile
index d046f3e..817147b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Use this Dockerfile when building the image yourself.
 # The Buildkite pipeline is similar, but copies prebuilt binaries instead of
 # rebuilding them.
-FROM public.ecr.aws/docker/library/golang:1.23.4@sha256:574185e5c6b9d09873f455a7c205ea0514bfd99738c5dc7750196403a44ed4b7 AS builder
+FROM public.ecr.aws/docker/library/golang:1.23.4@sha256:70031844b8c225351d0bb63e2c383f80db85d92ba894e3da7e13bcf80efa9a37 AS builder
 WORKDIR /go/src/github.com/buildkite/buildkite-agent-metrics/
 COPY . .
 RUN CGO_ENABLED=0 go build -o buildkite-agent-metrics .