diff --git a/Dockerfile b/Dockerfile
index b54028c4..faaaad97 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # We use cross-compilation because QEMU is slow.
-FROM --platform=${BUILDPLATFORM} golang:1.21.1-alpine3.18@sha256:1c9cc949513477766da12bfa80541c4f24957323b0ee00630a6ff4ccf334b75b AS build
+FROM --platform=${BUILDPLATFORM} golang:1.21.2-alpine3.18@sha256:a76f153cff6a59112777c071b0cde1b6e4691ddc7f172be424228da1bfb7bbda AS build
 ARG GIT_DESCRIBE
 ARG TARGETOS
 ARG TARGETARCH