diff --git a/Dockerfile b/Dockerfile
index 449dc18da..65eb9bb52 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # golang alpine
-FROM golang:1.25.5-alpine AS builder
+FROM golang:1.26rc2-alpine AS builder
 
 ARG TARGETARCH
 ARG TARGETOS