diff --git a/Dockerfile b/Dockerfile
index 98fae56d..bf0a02f0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.2.1@sha256:8879a398dedf0aadaacfbd332b29ff2f84bc39ae6d4e9c0a1109db27ac5ba012 AS xx
 
-FROM --platform=$BUILDPLATFORM golang:1.20.7-alpine3.18@sha256:7efb78dac256c450d194e556e96f80936528335033a26d703ec8146cec8c2090 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.21.0-alpine3.18@sha256:445f34008a77b0b98bf1821bf7ef5e37bb63cc42d22ee7c21cc17041070d134f AS builder
 
 COPY --from=xx / /