diff --git a/Dockerfile b/Dockerfile
index 5390f1ab..51385d5e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # We use cross-compilation because QEMU is slow.
-FROM --platform=${BUILDPLATFORM} golang:1.21.0-alpine3.18@sha256:445f34008a77b0b98bf1821bf7ef5e37bb63cc42d22ee7c21cc17041070d134f AS build
+FROM --platform=${BUILDPLATFORM} golang:1.21.1-alpine3.18@sha256:96634e55b363cb93d39f78fb18aa64abc7f96d372c176660d7b8b6118939d97b AS build
 ARG GIT_DESCRIBE
 ARG TARGETOS
 ARG TARGETARCH