diff --git a/Dockerfile b/Dockerfile
index 3b3f23c6..1cb760b2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG VERSION=master
 
 # base build stage
 FROM ubuntu:plucky AS build0
-ARG GO=1.25.0
+ARG GO=1.26rc1
 ARG GO_DIST=go${GO}.linux-amd64.tar.gz
 
 ADD https://go.dev/dl/$GO_DIST ./