diff --git a/Dockerfile b/Dockerfile
index 2a08072..9257bc2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:3354c3a94c3cf67cb37eb93a8e9474220b61a196b13c26f1c01715c301b22a69 AS builder
+FROM golang:1.21-alpine3.18@sha256:e9f32a00daa4e843d46eed327a979f865bba3829896cd17e026271329687dd93 AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./