diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000..e344493
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,20 @@
+name: CodeQL
+on:
+  pull_request:
+    branches: [main]
+  schedule:
+    - cron: "0 6 * * 1"  # Weekly Monday 6am UTC
+
+jobs:
+  analyze:
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      contents: read
+      actions: read
+    steps:
+      - uses: actions/checkout@v4
+      - uses: github/codeql-action/init@v3
+        with:
+          languages: python
+      - uses: github/codeql-action/analyze@v3
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
new file mode 100644
index 0000000..e999e4d
--- /dev/null
+++ b/.github/workflows/dependency-review.yml
@@ -0,0 +1,14 @@
+name: Dependency Review
+on:
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  review:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/dependency-review-action@v4