diff --git a/Dockerfile b/Dockerfile
index 4fa8831..fce402f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Build stage
-FROM golang:1.25.5-alpine AS builder
+FROM golang:1.26rc2-alpine AS builder
 
 # Install build dependencies
 RUN apk add --no-cache git ca-certificates tzdata