diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..bf6225a
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,25 @@
+# .github/workflows/sql-review.yml
+name: SQL Review
+
+on:
+  pull_request:
+    paths:
+      - 'dev/*.sql'
+      - 'prod/*.sql'
+
+jobs:
+  review-sql:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Check SQL for DROP statements
+        run: |
+          echo "🔍 Checking SQL files..."
+          if grep -i 'drop' $(find dev/ prod/ -name '*.sql'); then
+            echo "🚫 DROP statement found!"
+            exit 1
+          else
+            echo "✅ No DROP statement found."
+          fi
diff --git a/.github/workflows/sql-review.yml b/.github/workflows/sql-review.yml
index 59c0fbf..af2ec22 100644
--- a/.github/workflows/sql-review.yml
+++ b/.github/workflows/sql-review.yml
@@ -14,10 +14,10 @@ jobs:
     runs-on: ubuntu-latest # use self-hosted machines if your Bytebase runs in internal networks.
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # set GITHUB_TOKEN because the 'Check release' step needs it to comment the pull request with check results.
-      BYTEBASE_URL: https://demo.bytebase.com
-      BYTEBASE_SERVICE_ACCOUNT: ci@service.bytebase.com
+      BYTEBASE_URL: https://3afb-113-190-242-52.ngrok-free.app
+      BYTEBASE_SERVICE_ACCOUNT: api-example@service.bytebase.com
       BYTEBASE_PROJECT: "projects/project-sample"
-      BYTEBASE_TARGETS: "instances/test-sample-instance/databases/hr_test"
+      BYTEBASE_TARGETS: "instances/test-sample-instance/databases/hr_test,instances/prod-sample-instance/databases/hr_prod"
       FILE_PATTERN: "migrations/*.sql"
     steps:
       - name: Checkout
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 0000000..034e848
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,21 @@
+# Security Policy
+
+## Supported Versions
+
+Use this section to tell people about which versions of your project are
+currently being supported with security updates.
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 5.1.x   | :white_check_mark: |
+| 5.0.x   | :x:                |
+| 4.0.x   | :white_check_mark: |
+| < 4.0   | :x:                |
+
+## Reporting a Vulnerability
+
+Use this section to tell people how to report a vulnerability.
+
+Tell them where to go, how often they can expect to get an update on a
+reported vulnerability, what to expect if the vulnerability is accepted or
+declined, etc.