diff --git a/Dockerfile b/Dockerfile
index 6d48414..397cff1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Builder
-FROM golang:1.19-alpine AS builder
+FROM golang:1.21.1-alpine AS builder
 
 RUN apk add --no-cache \
     ca-certificates \