diff --git a/deploy/build.yaml b/deploy/build.yaml
index 558bf4ac..287c2f57 100644
--- a/deploy/build.yaml
+++ b/deploy/build.yaml
@@ -34,6 +34,20 @@ steps:
     entrypoint: bash
     args: ["-c", "go run ./cmd/gendb -out /workspace/db"]
 
+  - id: CopyExisting
+    name: gcr.io/cloud-builders/gsutil
+    entrypoint: bash
+    args:
+      - -e
+      - gsutil -q -m cp -r gs://go-vulndb /workspace
+
+  - id: Validate
+    name: golang:1.19.2
+    entrypoint: bash
+    args:
+      - -c
+      - go run ./cmd/checkdeploy -new /workspace/db -existing /workspace/go-vulndb
+
   - id: Deploy
     name: gcr.io/cloud-builders/gsutil
     entrypoint: bash