diff --git a/.kokoro/release/debug-release.cfg b/.kokoro/release/debug-release.cfg
index ade9415d5eeb..8491521249f8 100644
--- a/.kokoro/release/debug-release.cfg
+++ b/.kokoro/release/debug-release.cfg
@@ -2,7 +2,7 @@
 # proto-message: BuildConfig
 
 container_properties {
-  docker_image: "us-central1-docker.pkg.dev/FIXME@sha256:c6e49e2dabfb0a892f30fea57045575860f8804d8c838505341bb8e92f443705"
+  docker_image: "us-central1-docker.pkg.dev/cloud-libraries-dotnet/ci-infra/kokoro_windows@sha256:c576f2c68bc706074d0c87b7fcf84edfb56fb76b09308f139c776219f4fad748"
 }
 
 build_file: "google-cloud-dotnet/.kokoro/debug-release.bat"