diff --git a/dockerfiles/Dockerfile.full b/dockerfiles/Dockerfile.full
index 4022b64..a6ebe80 100644
--- a/dockerfiles/Dockerfile.full
+++ b/dockerfiles/Dockerfile.full
@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine AS builder
+FROM golang:1.21-alpine AS builder
 LABEL maintainer="nekohasekai <contact-git@sekai.icu>"
 COPY . /go/src/github.com/sagernet/sing-box
 WORKDIR /go/src/github.com/sagernet/sing-box
@@ -9,7 +9,7 @@ RUN set -ex \
     && apk add git build-base \
     && export COMMIT=$(git rev-parse --short HEAD) \
     && export VERSION=$(go run ./cmd/internal/read_tag) \
-    && go build -v -trimpath -tags with_gvisor,with_quic,with_grpc,with_dhcp,with_wireguard,with_shadowsocksr,with_ech,with_utls,with_reality_server,with_clash_api,with_v2ray_api,with_acme \
+    && go build -v -trimpath -tags with_gvisor,with_quic,with_grpc,with_dhcp,with_wireguard,with_ech,with_utls,with_reality_server,with_clash_api,with_acme,with_v2ray_api \
         -o /go/bin/sing-box \
         -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=$VERSION\" -s -w -buildid=" \
         ./cmd/sing-box