diff --git a/Dockerfile b/Dockerfile
index 5c23b49..4b0c4e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:df55e26f93ae47ae6ee09bd7732d54578412f45d1349bc644e292f3be53f55b5 AS builder
+FROM golang:1.21-alpine3.18@sha256:d4c53ec90146ac220476c56f7b0abf6b0d6eb3d9e8d50e111d4297a2c171e420 AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./