diff --git a/release/kokoro/build_windows.cfg b/release/kokoro/build_windows.cfg
index bd67f92..5a81152 100644
--- a/release/kokoro/build_windows.cfg
+++ b/release/kokoro/build_windows.cfg
@@ -5,5 +5,5 @@ build_file: "cel-python/release/kokoro/presubmit_windows.ps1"
 timeout_mins: 30
 
 container_properties {
-  docker_image: "us-central1-docker.pkg.dev/kokoro-container-bakery/kokoro/windows/windows2019/full:current"
+  docker_image: "us-central1-docker.pkg.dev/kokoro-container-bakery/kokoro/windows/windows2019/full@sha256:c9995cdda2206803409164f9682f47e0027b8836076591a960373e3cdb1847e1"
 }