diff --git a/build.Dockerfile b/build.Dockerfile
index 6520430..35c841b 100644
--- a/build.Dockerfile
+++ b/build.Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=amd64 golang:1.21.5 AS builder
+FROM --platform=amd64 golang:1.21.6 AS builder
 
 ARG TARGETPLATFORM
 ARG TARGETOS