diff --git a/Dockerfile b/Dockerfile
index 7444d2a..fd62333 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine3.18@sha256:1819fa65e8c99cdb07f927954d741d6e6afe079fdbf5f032c25844d04b26a51f AS builder
+FROM golang:1.22-alpine3.18@sha256:790c66717f8c02bb36f468f2fa68fa2b41c25e7612edbe5b0192ddf20944a21e AS builder
 
 WORKDIR /corn-util
 COPY go.mod go.sum ./