diff --git a/Dockerfile b/Dockerfile
index b02d38d..09bab4f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=${BUILDPLATFORM} golang:1.20.11-alpine3.18 as build
+FROM --platform=${BUILDPLATFORM} golang:1.21.5-alpine3.18 as build
 ARG CLOUDFLARED_VERSION=2023.10.0 \
     TARGETARCH