diff --git a/Dockerfile b/Dockerfile
index ccaa254..317b30c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:dc686e041ac143b00dfa71669a66da8e0465e50430497e2e230279a769d82912 AS builder
+FROM golang:1.21-alpine3.18@sha256:d8b99943fb0587b79658af03d4d4e8b57769b21dcf08a8401352a9f2a7228754 AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./