diff --git a/Dockerfile b/Dockerfile
index 9e968c9..5c23b49 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:68f3d2a1fa69097aeec6973827a20bcf7b3a1cff76c0070098f2f9b40b62894a AS builder
+FROM golang:1.21-alpine3.18@sha256:df55e26f93ae47ae6ee09bd7732d54578412f45d1349bc644e292f3be53f55b5 AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./