diff --git a/Dockerfile b/Dockerfile
index d717be2..b20852e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Builder
-FROM golang:1.20-alpine AS builder
+FROM golang:1.21-alpine AS builder
 
 RUN apk add --no-cache \
     ca-certificates \