diff --git a/Dockerfile b/Dockerfile
index 9fb32af..dacb647 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:869193e7c30611d635c7bc3d1ed879039b7d24710a03474437d402f06825171e AS builder
+FROM golang:1.21-alpine3.18@sha256:cbaa3950032dd45b005ad591831defdb416a8bd0ffaf5fd1f8c7c0c236e3ade5 AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./