diff --git a/Dockerfile b/Dockerfile
index bf06709..3b78877 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:3bd447580bc0df66bada3d8e38f37ca85faf66d6a0e37f0ccba287eaf5962757 AS builder
+FROM golang:1.21-alpine3.18@sha256:541e7f5aba2f20a205fcebc8a4ddbaacad21828a49f7c9b63fc5a6f17fee6365 AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./