diff --git a/.github/workflows/ci-image-scanning-on-schedule.yml b/.github/workflows/ci-image-scanning-on-schedule.yml
index 948e8389b..02942d047 100644
--- a/.github/workflows/ci-image-scanning-on-schedule.yml
+++ b/.github/workflows/ci-image-scanning-on-schedule.yml
@@ -48,6 +48,9 @@ jobs:
           make image-${{ matrix.target }}
       - name: Run Trivy vulnerability scanner
         uses: aquasecurity/trivy-action@0.28.0
+        env:
+          ACTIONS_RUNTIME_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TRIVY_DB_REPOSITORY: ghcr.io/aquasecurity/trivy-db,public.ecr.aws/aquasecurity/trivy-db
         with:
           image-ref: 'docker.io/karmada/${{ matrix.target }}:${{ matrix.karmada-version }}'
           format: 'sarif'
@@ -56,6 +59,8 @@ jobs:
           output: '${{ matrix.target }}:${{ matrix.karmada-version }}.trivy-results.sarif'
       - name: display scan results
         uses: aquasecurity/trivy-action@0.28.0
+        env:
+          TRIVY_SKIP_DB_UPDATE: true # Avoid updating the vulnerability db as it was cached in the previous step.
         with:
           image-ref: 'docker.io/karmada/${{ matrix.target }}:${{ matrix.karmada-version }}'
           format: 'table'
diff --git a/.github/workflows/ci-image-scanning.yaml b/.github/workflows/ci-image-scanning.yaml
index 72c898e50..4e5d3a07b 100644
--- a/.github/workflows/ci-image-scanning.yaml
+++ b/.github/workflows/ci-image-scanning.yaml
@@ -43,6 +43,9 @@ jobs:
           make image-${{ matrix.target }}
       - name: Run Trivy vulnerability scanner
         uses: aquasecurity/trivy-action@0.28.0
+        env:
+          ACTIONS_RUNTIME_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TRIVY_DB_REPOSITORY: ghcr.io/aquasecurity/trivy-db,public.ecr.aws/aquasecurity/trivy-db
         with:
           image-ref: 'docker.io/karmada/${{ matrix.target }}:latest'
           format: 'sarif'
@@ -51,6 +54,8 @@ jobs:
           output: 'trivy-results.sarif'
       - name: display scan results
         uses: aquasecurity/trivy-action@0.28.0
+        env:
+          TRIVY_SKIP_DB_UPDATE: true # Avoid updating the vulnerability db as it was cached in the previous step.
         with:
           image-ref: 'docker.io/karmada/${{ matrix.target }}:latest'
           format: 'table'