diff --git a/.github/workflows/missing-ops.yml b/.github/workflows/missing-ops.yml
index 5513d47..e6fa0e2 100644
--- a/.github/workflows/missing-ops.yml
+++ b/.github/workflows/missing-ops.yml
@@ -9,8 +9,8 @@ on:
       - main
   workflow_dispatch: {}
   schedule:
-    # 08:00 weekly on Monday
-    - cron: '0 8 * * 1'
+    # 08:00 daily
+    - cron: '0 8 * * *'
 
 env:
   CARGO_TERM_COLOR: always
@@ -21,6 +21,7 @@ jobs:
   missing-optypes:
     name: Check for missing op type definitions
     runs-on: ubuntu-latest
+    continue-on-error: true
     outputs:
       should_notify: ${{ steps.check_status.outputs.result }}
     steps:
@@ -54,20 +55,15 @@ jobs:
           result-encoding: string
 
   notify-slack:
+    uses: CQCL/hugrverse-actions/.github/workflows/slack-notifier.yml@ab/slack-notifier
     needs: missing-optypes
-    runs-on: ubuntu-latest
-    if: ${{ needs.missing-optypes.outputs.should_notify == 'true' && github.event_name == 'schedule' }}
-    steps:
-      - name: Compose the slack message
-        id: make_msg
-        run: |
-          MSG="msg=`tket-json-rs` is missing OpType definitions. See the failing check for more info.\nhttps://github.com/CQCL/tket-json-rs/actions/workflows/missing-ops.yml"
-          echo $MSG
-          echo $MSG  >> "$GITHUB_OUTPUT"
-      - name: Send notification
-        uses: slackapi/slack-github-action@v1.27.0
-        with:
-          channel-id: 'C040CRWH9FF'
-          slack-message: ${{ steps.make_msg.outputs.msg }}
-        env:
-          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
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+    if: ${{ needs.missing-optypes.outputs.should_notify == 'true' }}
+    with:
+      channel-id: 'C04SHCL4FKP'
+      slack-message: '`tket-json-rs` is missing OpType definitions. See the failing check for more info.\nhttps://github.com/CQCL/tket-json-rs/actions/workflows/missing-ops.yml'
+      # An unique identifier for the message type, to use in rate limiting.
+      message-label: "missing-op"
+      # Rate-limit the message to once per week
+      timeout-minutes: 10080
+    secrets:
+        SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
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