diff --git a/build/docker/Dockerfile b/build/docker/Dockerfile
index d29ed5d..6d33df9 100644
--- a/build/docker/Dockerfile
+++ b/build/docker/Dockerfile
@@ -1,7 +1,7 @@
 # -----------------------------------------------------------------------------
 # Build stage
 # -----------------------------------------------------------------------------
-FROM golang:1.25.3 AS builder
+FROM golang:1.26rc2 AS builder
 
 # Buildx automatic platform args
 ARG TARGETOS