diff --git a/Dockerfile b/Dockerfile
index 9257bc2..0c0eda6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:e9f32a00daa4e843d46eed327a979f865bba3829896cd17e026271329687dd93 AS builder
+FROM golang:1.21-alpine3.18@sha256:0247fcb931c2945cd129ce41cab7433867c8e99f76071276db69149d61ca0291 AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./