diff --git a/Dockerfile b/Dockerfile
index d177f000..cd77ee09 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.25-alpine AS builder
+FROM --platform=$BUILDPLATFORM golang:1.26-alpine AS builder
 LABEL maintainer="shtorm-7"
 COPY . /go/src/github.com/sagernet/sing-box
 WORKDIR /go/src/github.com/sagernet/sing-box