diff --git a/docker/Dockerfile.windows.1809 b/docker/Dockerfile.windows.1809
index 3479d96..cf58cd2 100644
--- a/docker/Dockerfile.windows.1809
+++ b/docker/Dockerfile.windows.1809
@@ -3,7 +3,7 @@
 FROM mcr.microsoft.com/windows/servercore:ltsc2019 as core
 
 
-FROM mcr.microsoft.com/windows/nanoserver:1809
+FROM mcr.microsoft.com/windows/nanoserver:2009
 USER ContainerAdministrator
 
 ENV GODEBUG=netdns=go