diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index fb2e5ad0..c68add3e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -10,7 +10,7 @@ jobs:
     name: Shellcheck
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Run ShellCheck
       uses: ludeeus/action-shellcheck@2.0.0
       with:
@@ -22,7 +22,7 @@ jobs:
     env:
       BUNDLE_WITHOUT: development:test
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
@@ -36,7 +36,7 @@ jobs:
     env:
       COVERAGE: true
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
@@ -50,10 +50,12 @@ jobs:
     name: 'Built test Docker image'
     runs-on: ubuntu-latest
     permissions:
+      actions: read
       contents: read
+      security-events: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx
@@ -62,5 +64,18 @@ jobs:
         uses: docker/build-push-action@v4
         with:
           context: .
+          tags: 'ci/hdm:${{ github.sha }}'
           platforms: linux/amd64,linux/arm64
           push: false
+
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'ci/hdm:${{ github.sha }}'
+          format: 'sarif'
+          output: 'trivy-results.sarif'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v2
+        with:
+          sarif_file: 'trivy-results.sarif'
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 746d59ed..47a6f230 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL