diff --git a/Dockerfile b/Dockerfile
index e017fe4..ae62741 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine AS build
+FROM golang:1.21-alpine AS build
 WORKDIR /app
 COPY go.mod go.sum ./
 RUN go mod download