diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 89bf952..0b30c8f 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -7,10 +7,12 @@ jobs:
 
   build-deploy:
     runs-on: ubuntu-latest
-    # These permissions are needed to interact with GitHub's OIDC Token endpoint.
+    # These permissions are needed to interact with GitHub's OIDC Token endpoint
     permissions:
       id-token: write
       contents: read
+      actions: read
+      security-events: write
     strategy:
       matrix:
         python-version: [3.11]
@@ -19,6 +21,11 @@ jobs:
       - name: checkout source code
         uses: actions/checkout@v4
 
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          setup-python-dependencies: false
+
       - name: Install Python
         uses: actions/setup-python@v5
         with:
@@ -37,6 +44,9 @@ jobs:
             cd lambda-notif && zip -r ../lambda-notif.zip . && \
             ls -lh
 
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2
+
       - name: Configure AWS credentials
         uses: aws-actions/configure-aws-credentials@v4
         with:
diff --git a/.yaml-lint.yml b/.yaml-lint.yml
new file mode 100644
index 0000000..aa53554
--- /dev/null
+++ b/.yaml-lint.yml
@@ -0,0 +1,2 @@
+rules:
+  document-start: disable