diff --git a/.github/workflows/build_docker_image_and_push_to_ecr.yaml b/.github/workflows/build_docker_image_and_push_to_ecr.yaml
index a6b56bd..b4eb1af 100644
--- a/.github/workflows/build_docker_image_and_push_to_ecr.yaml
+++ b/.github/workflows/build_docker_image_and_push_to_ecr.yaml
@@ -109,7 +109,7 @@ jobs:
     steps:
       - name: Send notification to slack
         if: inputs.slackChannelId != ''
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v2.1.1
         env:
           SLACK_BOT_TOKEN: ${{ secrets.slackToken }}
         with:
@@ -238,7 +238,7 @@ jobs:
 
       - name: send result to slack
         if: always() && inputs.slackChannelId != ''
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v2.1.1
         env:
           SLACK_BOT_TOKEN: ${{ secrets.slackToken }}
         with:
diff --git a/.github/workflows/create_changelog.yaml b/.github/workflows/create_changelog.yaml
index 7f722a8..0245a42 100644
--- a/.github/workflows/create_changelog.yaml
+++ b/.github/workflows/create_changelog.yaml
@@ -77,7 +77,7 @@ jobs:
 
       - name: report failure to slack
         if: failure() && inputs.slackChannelIdForFailureMsg != ''
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v2.1.1
         env:
           SLACK_BOT_TOKEN: ${{ secrets.slackToken }}
         with:
diff --git a/.github/workflows/deploy_cloudformation.yaml b/.github/workflows/deploy_cloudformation.yaml
index a8ac61a..a061798 100644
--- a/.github/workflows/deploy_cloudformation.yaml
+++ b/.github/workflows/deploy_cloudformation.yaml
@@ -100,7 +100,7 @@ jobs:
     steps:
       - name: send notification to slack
         if: inputs.slackChannelId != ''
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v2.1.1
         env:
           SLACK_BOT_TOKEN: ${{ secrets.slackToken }}
         with:
@@ -257,7 +257,7 @@ jobs:
 
       - name: send result to slack
         if: always() && inputs.slackChannelId != ''
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v2.1.1
         env:
           SLACK_BOT_TOKEN: ${{ secrets.slackToken }}
         with:
diff --git a/.github/workflows/deploy_helmfile.yaml b/.github/workflows/deploy_helmfile.yaml
index 72764e5..df4fbee 100644
--- a/.github/workflows/deploy_helmfile.yaml
+++ b/.github/workflows/deploy_helmfile.yaml
@@ -122,7 +122,7 @@ jobs:
 
       - name: Send notification to slack
         if: inputs.slackChannelId != ''
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v2.1.1
         env:
           SLACK_BOT_TOKEN: ${{ secrets.slackToken }}
         with:
@@ -289,7 +289,7 @@ jobs:
 
       - name: send result to slack
         if: always() && inputs.slackChannelId != ''
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v2.1.1
         env:
           SLACK_BOT_TOKEN: ${{ secrets.slackToken }}
         with:
diff --git a/.github/workflows/slack.yaml b/.github/workflows/slack.yaml
index 64c923d..9cd6f6d 100644
--- a/.github/workflows/slack.yaml
+++ b/.github/workflows/slack.yaml
@@ -62,7 +62,7 @@ jobs:
           echo "jobStatus=${jobStatus}" >> $GITHUB_OUTPUT
 
       - name: send message
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v2.1.1
         env:
           SLACK_BOT_TOKEN: ${{ secrets.slackToken }}
         with:
diff --git a/.github/workflows/sync_branches.yaml b/.github/workflows/sync_branches.yaml
index 15d83d7..4e8e43e 100644
--- a/.github/workflows/sync_branches.yaml
+++ b/.github/workflows/sync_branches.yaml
@@ -83,7 +83,7 @@ jobs:
 
       - name: report failure to slack
         if: ${{ failure() }}
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v2.1.1
         env:
           SLACK_BOT_TOKEN: ${{ secrets.slackToken }}
         with:
diff --git a/.github/workflows/sync_branches_push.yaml b/.github/workflows/sync_branches_push.yaml
index 9a2de93..b70f583 100644
--- a/.github/workflows/sync_branches_push.yaml
+++ b/.github/workflows/sync_branches_push.yaml
@@ -69,7 +69,7 @@ jobs:
 
       - name: report failure to slack
         if: ${{ failure() }}
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v2.1.1
         env:
           SLACK_BOT_TOKEN: ${{ secrets.slackToken }}
         with:
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 610926f..f327b86 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -76,7 +76,7 @@ jobs:
     steps:
       - name: Send notification to slack
         if: inputs.slackChannelId != ''
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v2.1.1
         env:
           SLACK_BOT_TOKEN: ${{ secrets.slackToken }}
         with:
@@ -158,7 +158,7 @@ jobs:
 
       - name: send result to slack
         if: always() && inputs.slackChannelId != ''
-        uses: slackapi/slack-github-action@v1.26.0
+        uses: slackapi/slack-github-action@v2.1.1
         env:
           SLACK_BOT_TOKEN: ${{ secrets.slackToken }}
         with: