diff --git a/tool/builder/Dockerfile b/tool/builder/Dockerfile
index 5aaa9ac711..cc81c3daff 100644
--- a/tool/builder/Dockerfile
+++ b/tool/builder/Dockerfile
@@ -1,7 +1,7 @@
 FROM crazymax/xgo:1.19.2
-RUN curl https://dl.google.com/go/go1.21.0.linux-amd64.tar.gz -o go.linux-amd64.tar.gz
+RUN curl https://dl.google.com/go/go1.21.1.linux-amd64.tar.gz -o go.linux-amd64.tar.gz
 RUN rm -rf /usr/local/go || true
 RUN tar -zxvf go.linux-amd64.tar.gz -C /usr/local
 RUN rm -rf ./go.linux-amd64.tar.gz
 
-# docker build -t localhost/crazymax/xgo:1.21.0 .
+# docker build -t localhost/crazymax/xgo:1.21.1 .