diff --git a/Dockerfile b/Dockerfile
index eb73458..37c86e4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:110b07af87238fbdc5f1df52b00927cf58ce3de358eeeb1854f10a8b5e5e1411 AS builder
+FROM golang:1.21-alpine3.18@sha256:ff7d5e6e679675001a75f0fafa0f3383d50fc802e9f40fcd5e6bf3fcab5e1d15 AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./