diff --git a/docker/proxy/Dockerfile b/docker/proxy/Dockerfile
index 26e6e79..e308ee1 100644
--- a/docker/proxy/Dockerfile
+++ b/docker/proxy/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=${BUILDPLATFORM} golang:1.20-alpine AS builder
+FROM --platform=${BUILDPLATFORM} golang:1.21-alpine AS builder
 ARG TARGETARCH
 ARG TARGETOS