diff --git a/.github/workflows/create-docs-issues.yml b/.github/workflows/create-docs-issues.yml
index 6e6fc938ea5..a24e3b137f2 100644
--- a/.github/workflows/create-docs-issues.yml
+++ b/.github/workflows/create-docs-issues.yml
@@ -26,7 +26,7 @@ jobs:
             await script({github, context});
 
       - name: Slack Failure Message
-        uses: slackapi/slack-github-action@v1.27.0
+        uses: slackapi/slack-github-action@v2.0.0
         id: slack-failure-message
         if: failure() && github.ref == 'refs/heads/main' && github.repository_owner == 'deephaven'
         env:
diff --git a/.github/workflows/nightly-check-ci.yml b/.github/workflows/nightly-check-ci.yml
index e433c63df30..c79c0d6b0fb 100644
--- a/.github/workflows/nightly-check-ci.yml
+++ b/.github/workflows/nightly-check-ci.yml
@@ -100,7 +100,7 @@ jobs:
           report_paths: '**/build/test-results/*/TEST-*.xml'
 
       - name: Slack Nightly Failure
-        uses: slackapi/slack-github-action@v1.27.0
+        uses: slackapi/slack-github-action@v2.0.0
         id: slack-nightly-failure
         if: ${{ failure() && github.repository_owner == 'deephaven' && github.ref == 'refs/heads/main' }}
         with:
diff --git a/.github/workflows/nightly-image-check.yml b/.github/workflows/nightly-image-check.yml
index e2f75b3a15f..1b7e574aa0a 100644
--- a/.github/workflows/nightly-image-check.yml
+++ b/.github/workflows/nightly-image-check.yml
@@ -35,7 +35,7 @@ jobs:
         run: ./gradlew --continue pullImage compareImage
 
       - name: Notify Slack
-        uses: slackapi/slack-github-action@v1.27.0
+        uses: slackapi/slack-github-action@v2.0.0
         id: notify-slack
         if: ${{ failure() }}
         env:
diff --git a/.github/workflows/nightly-publish-ci.yml b/.github/workflows/nightly-publish-ci.yml
index 927c0b2009a..0ebba57c54b 100644
--- a/.github/workflows/nightly-publish-ci.yml
+++ b/.github/workflows/nightly-publish-ci.yml
@@ -55,7 +55,7 @@ jobs:
           ORG_GRADLE_PROJECT_signingRequired: true
 
       - name: Slack Nightly Failure
-        uses: slackapi/slack-github-action@v1.27.0
+        uses: slackapi/slack-github-action@v2.0.0
         id: slack-nightly-failure
         if: failure()
         with: