diff --git a/Dockerfile b/Dockerfile
index 9756088..6534790 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Build image
-FROM golang:1.20-alpine as build
+FROM golang:1.21-alpine as build
 
 WORKDIR /go/src/app
 COPY . .