diff --git a/Dockerfile b/Dockerfile
index eaf0146..54edfdb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20
+FROM golang:1.21
 WORKDIR /src
 COPY . ./
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -v .