diff --git a/Dockerfile b/Dockerfile
index 331cd6c..3248445 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:926f7f7e1ab8509b4e91d5ec6d5916ebb45155b0c8920291ba9f361d65385806 AS builder
+FROM golang:1.21-alpine3.18@sha256:99bec74346a62b6630c0c70337b246f35a8a296a052c4a70007d569aa3a1381b AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./