diff --git a/Dockerfile b/Dockerfile
index f7d1e84..83ed98a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine as build
+FROM golang:1.21-alpine as build
 WORKDIR /go/src/app
 COPY . /go/src/app
 RUN CGO_ENABLED=0 go build -o /go/bin/app