diff --git a/base/Dockerfile.windows-1809 b/base/Dockerfile.windows-1809
index 901f1ad..cbb0ec6 100644
--- a/base/Dockerfile.windows-1809
+++ b/base/Dockerfile.windows-1809
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/windows:1809@sha256:5dc542418c860e622a8da5d2db2dd3f3eb1212c104857ca947dac2fd171a26b5
+FROM mcr.microsoft.com/windows:2009@sha256:c9b2234a2284ac6bad70bf9a3e137c4b413624b18c6f3a6ef8ceb4aa547abe99
 
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]