diff --git a/Dockerfile b/Dockerfile
index b6bbc1e..4191203 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/acorn-io/images-mirror/golang:1.20-alpine AS build
+FROM ghcr.io/acorn-io/images-mirror/golang:1.21-alpine AS build
 COPY / /src
 WORKDIR /src
 ARG TAG="v0.0.0-dev"