diff --git a/.github/workflows/xamarin-ui-build.yml b/.github/workflows/xamarin-ui-build.yml
index 717accc..4cea8b7 100644
--- a/.github/workflows/xamarin-ui-build.yml
+++ b/.github/workflows/xamarin-ui-build.yml
@@ -67,7 +67,7 @@ jobs:
 
     - name: Send Slack Notification
       if: ${{ failure() }}
-      uses: slackapi/slack-github-action@v1.18.0
+      uses: slackapi/slack-github-action@v1.27.1
       with:
         payload: |
           {
diff --git a/.github/workflows/xamarin-ui-notify.yml b/.github/workflows/xamarin-ui-notify.yml
index 093b56d..d24ff2f 100644
--- a/.github/workflows/xamarin-ui-notify.yml
+++ b/.github/workflows/xamarin-ui-notify.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: [self-hosted, xamarin-android]
     steps:
     - name: Send Slack Notification
-      uses: slackapi/slack-github-action@v1.18.0
+      uses: slackapi/slack-github-action@v1.27.1
       with:
         payload: |
           {
diff --git a/.github/workflows/xamarin-ui-publish.yml b/.github/workflows/xamarin-ui-publish.yml
index 3dc0fdf..2095fe7 100644
--- a/.github/workflows/xamarin-ui-publish.yml
+++ b/.github/workflows/xamarin-ui-publish.yml
@@ -48,7 +48,7 @@ jobs:
 
     - name: Send Slack Notification
       if: ${{ failure() }}
-      uses: slackapi/slack-github-action@v1.18.0
+      uses: slackapi/slack-github-action@v1.27.1
       with:
         payload: |
           {