diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index bbc4870..a4c9063 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,14 +9,14 @@ jobs:
   unit_tests:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: npm ci && npm run build
     - run: npm test
 
   integration_test_botToken:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: npm ci && npm run build
     - name: Post message to Slack via botToken
       id: slackToken
@@ -48,7 +48,7 @@ jobs:
   integration_test_webhook:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: npm ci && npm run build
     - run: echo "${{ github.event_name }}"
     - name: push trigger
@@ -81,7 +81,7 @@ jobs:
   integration_test_incoming_webhook:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: npm ci && npm run build
     - run: echo "${{ github.event_name }}"
     - name: Post message to Slack via incoming webhook
@@ -101,7 +101,7 @@ jobs:
   integration_test_file_payload:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: npm ci && npm run build
     - name: Dump out GitHub Context
       run: echo $JSON
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index c83173f..39c9aaf 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.release.tag_name }}
       - name: Install deps and build