diff --git a/windows/Dockerfile b/windows/Dockerfile
index 45098c0..9a2b056 100644
--- a/windows/Dockerfile
+++ b/windows/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.26.4-nanoserver AS build-backend
+FROM golang:1.27rc2-nanoserver AS build-backend
 LABEL builder=true
 
 ENV CGO_ENABLED=0