diff --git a/.github/workflows/rebase.yml b/.github/workflows/rebase.yml
index ee363802b..5a6599841 100644
--- a/.github/workflows/rebase.yml
+++ b/.github/workflows/rebase.yml
@@ -1,2 +1,24 @@
-- name: Automatic rebase
-  uses: cirrus-actions/rebase@1.2
+# https://github.com/cirrus-actions/rebase
+on:
+  issue_comment:
+    types: [created]
+
+name: Automatic rebase
+jobs:
+  rebase:
+    name: Rebase
+    if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '/rebase')
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: Automatic Rebase
+      uses: cirrus-actions/rebase@v1.2.0
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  # https://github.community/t5/GitHub-Actions/Workflow-is-failing-if-no-job-can-be-ran-due-to-condition/m-p/38186#M3250
+  always_job:
+    name: Aways run job
+    runs-on: ubuntu-latest
+    steps:
+      - name: Always run
+        run: echo "This job is used to prevent the workflow to fail when all other jobs are skipped."
diff --git a/.travis.yml b/.travis.yml
index 47c1f4361..3f83d39f1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,14 @@
 language: ruby
 rvm:
-  - 2.5
+- 2.5
 script:
-  - make -B _site
-  - if ! make test; then make test-warning; exit 16; fi
+- make -B _site
+- if ! make test; then make test-warning; exit 16; fi
 cache: bundler
+notifications:
+  slack:
+    if: branch = master OR branch =~ ^.*slack.*$
+    rooms:
+      - secure: FN4trzyyUdtZ6DXj4G3A7YnhqkPyqi8jN9BIdA6S6D2eJEH1gPbZUfbqAW87LKckKZ9iYB5KDF5IuELhR3vv1DeHRqm3MKRU91JVBDT7EXbF86Z1J/JMJxNOcoWdCilcgpnm9NCkMAPFC9h6Y3txYhaLWLsnDaWlvehBsJg+Ql4=
+    on_success: change
+    on_failure: always