diff --git a/.github/workflows/create-docs-issues.yml b/.github/workflows/create-docs-issues.yml
index 77f52569deb..6e6fc938ea5 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@v1.26.0
+        uses: slackapi/slack-github-action@v1.27.0
         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 d8b5c93fec7..2e5c37cec73 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@v1.26.0
+        uses: slackapi/slack-github-action@v1.27.0
         id: slack-nightly-failure
         if: ${{ failure() && github.repository_owner == 'deephaven' }}
         with:
diff --git a/.github/workflows/nightly-image-check.yml b/.github/workflows/nightly-image-check.yml
index 1e868280782..e2f75b3a15f 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@v1.26.0
+        uses: slackapi/slack-github-action@v1.27.0
         id: notify-slack
         if: ${{ failure() }}
         env:
diff --git a/.github/workflows/nightly-publish-ci.yml b/.github/workflows/nightly-publish-ci.yml
index a23f9e04a2d..927c0b2009a 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@v1.26.0
+        uses: slackapi/slack-github-action@v1.27.0
         id: slack-nightly-failure
         if: failure()
         with: