diff --git a/Dockerfile b/Dockerfile
index dba32e9..f4278cf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:ff7d5e6e679675001a75f0fafa0f3383d50fc802e9f40fcd5e6bf3fcab5e1d15 AS builder
+FROM golang:1.21-alpine3.18@sha256:b9bc5b14002cb97292c8d8e3b55a77a019d17fffaded2d0382f7129852a807b0 AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./