diff --git a/.github/workflows/caches.yml b/.github/workflows/caches.yml
index 5f011e2c..df3d2dd4 100644
--- a/.github/workflows/caches.yml
+++ b/.github/workflows/caches.yml
@@ -1,41 +1,50 @@
-name: cache invalidation
+name: Cache invalidation
 
 on:
   workflow_dispatch:
 
   schedule:
-    - cron: '0 7 1 * *' # https://crontab.guru/#0_7_1_%2A_%2A, CET==UTC+1
+    - cron: 0 7 1 * *
 
 jobs:
-  drop:
+  delete:
+    name: Deleting
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - name: Checkout the repository
+        uses: actions/checkout@v3
         with: { fetch-depth: 0 }
 
-      - run: |
-          gh extension install actions/gh-actions-cache
-          keys=$(gh actions-cache list -R ${{ github.repository }} | cut -f1)
+      - name: Install a GitHub CLI cache extension
+        run: gh extension install actions/gh-actions-cache
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Cleanup caches
+        run: |
+          keys=$(gh actions-cache list -R '${{ github.repository }}' | cut -f1)
+          if [ -z "${keys}" ]; then echo 'Nothing to do' && exit 0; fi
 
-          set +e
-          echo "Deleting caches..."
+          echo Deleting caches...
           for key in ${keys}; do
-            gh actions-cache delete ${key} -R ${{ github.repository }} --confirm
+            gh actions-cache delete "${key}" -R '${{ github.repository }}' --confirm || true
           done
-          echo "Done"
+          echo Done
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
   notify:
-    needs: [ drop ]
+    name: Notifying
+    needs: [ delete ]
     runs-on: ubuntu-latest
+    if: failure() || success()
 
     steps:
-      - uses: rtCamp/action-slack-notify@v2
+      - name: Send Slack notification
+        uses: rtCamp/action-slack-notify@v2
         env:
           SLACK_COLOR: ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
           SLACK_ICON: https://github.com/github.png?size=64
-          SLACK_TITLE: '${{ github.repository }}: ${{ github.workflow }}'
+          SLACK_TITLE: '🧹 ${{ github.repository }}: ${{ github.workflow }}'
           SLACK_USERNAME: GitHub Actions
           SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6f6f3e2f..64ab357a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,10 +33,10 @@ jobs:
       - uses: actions/cache@v3
         with:
           path: ./node_modules
-          key: modules-${{ hashFiles('package-lock.json') }}
-        id: cache
+          key: core-${{ hashFiles('package-lock.json') }}
+          id: core
       - run: npm ci --ignore-scripts --include=dev
-        if: steps.cache.outputs.cache-hit != 'true'
+        if: steps.core.outputs.cache-hit != 'true'
         env: { FONTAWESOME_TOKEN: '${{ secrets.FONTAWESOME_TOKEN }}' }
       - run: npm run build