diff --git a/Dockerfile b/Dockerfile
index d3deabe..2a60094 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:7fdfef9fb8674808f374632e3090605fef56a1e6c397cc3f7c451244eb46e253 AS builder
+FROM golang:1.21-alpine3.18@sha256:53d0118d0084bf81c3f060e2736eeb82702a0a1891ac7dcd733ebbf02bcc2ec5 AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./