diff --git a/Dockerfile b/Dockerfile
index b5f5d735..8b3ed6d5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine3.18 AS builder
+FROM golang:1.21-alpine3.18 AS builder
 WORKDIR /go/src/app
 ENV CGO_ENABLED=0