diff --git a/2.11/windows-builder/ltsc2022/Dockerfile b/2.11/windows-builder/ltsc2022/Dockerfile
index ee9f09e1..1614a48b 100644
--- a/2.11/windows-builder/ltsc2022/Dockerfile
+++ b/2.11/windows-builder/ltsc2022/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.26-windowsservercore-ltsc2022
+FROM golang:1.27rc2-windowsservercore-ltsc2022
 
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
diff --git a/2.11/windows-builder/ltsc2022/Dockerfile.base b/2.11/windows-builder/ltsc2022/Dockerfile.base
index fb295aa2..d2f2dedb 100644
--- a/2.11/windows-builder/ltsc2022/Dockerfile.base
+++ b/2.11/windows-builder/ltsc2022/Dockerfile.base
@@ -1 +1 @@
-FROM golang:1.26-windowsservercore-ltsc2022
+FROM golang:1.27rc2-windowsservercore-ltsc2022