diff --git a/Dockerfile b/Dockerfile
index dacb647..e9f2c95 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:cbaa3950032dd45b005ad591831defdb416a8bd0ffaf5fd1f8c7c0c236e3ade5 AS builder
+FROM golang:1.21-alpine3.18@sha256:1e101d79b977864248a864f58c7763ca31b0376e1f38ac6eee035f0e1a42a729 AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./