diff --git a/Dockerfile b/Dockerfile
index e111c85..1daaad2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:1aab3f5434f4b6d013281b715b495aecfb9269b79ef5215c89e357f4838b2d09 AS builder
+FROM golang:1.21-alpine3.18@sha256:fb1ab21367385fa0f92c3d8c7037a7e2b9b01e14090fd362449bde503d11ea47 AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./