diff --git a/Dockerfile b/Dockerfile
index a603001..d9191a2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@
 ##
 ## Build
 ##
-FROM --platform=$BUILDPLATFORM golang:1.20-alpine AS build
+FROM --platform=$BUILDPLATFORM golang:1.21-alpine AS build
 
 ARG TARGETOS TARGETARCH
 ARG NAME