diff --git a/Dockerfile b/Dockerfile
index 3b78877..e7a4ddc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:541e7f5aba2f20a205fcebc8a4ddbaacad21828a49f7c9b63fc5a6f17fee6365 AS builder
+FROM golang:1.21-alpine3.18@sha256:dec4d0cfdd87aeb2abd4437aa05afde81841c14d4a12ae6c61184effadc56d0e AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./