diff --git a/Dockerfile b/Dockerfile
index e84b960..7444d2a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:cf559d07708d53bb69e7d79cd7f25cf5854a8a7290c98111a1c01bf39aa4f4f1 AS builder
+FROM golang:1.21-alpine3.18@sha256:1819fa65e8c99cdb07f927954d741d6e6afe079fdbf5f032c25844d04b26a51f AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./