diff --git a/Dockerfile b/Dockerfile
index 78e13f7e..98a8a807 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG VERSION=master
 
 # base build stage
 FROM ubuntu:lunar AS build0
-ARG GO=1.21.0
+ARG GO=1.20.7
 ARG GO_DIST=go${GO}.linux-amd64.tar.gz
 
 ADD https://go.dev/dl/$GO_DIST ./