diff --git a/Dockerfile b/Dockerfile
index 8c5a3de..4242cb0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM jpillora/chisel:1.8.1 as chisel
 
-FROM golang:1.20.7 as builder
+FROM golang:1.21.4 as builder
 WORKDIR /build
 COPY go.mod .
 COPY go.sum .