diff --git a/Dockerfile-build b/Dockerfile-build
index a0608b12..cd03a2ff 100644
--- a/Dockerfile-build
+++ b/Dockerfile-build
@@ -1,4 +1,4 @@
-FROM golang:1.20-bullseye as builder
+FROM golang:1.21-bullseye as builder
 
 ARG VERSION=dev
 ARG COMMIT=unknown