diff --git a/.github/workflows/create-docs-issues.yml b/.github/workflows/create-docs-issues.yml
index c7620c56e9d..bf984fb1f58 100644
--- a/.github/workflows/create-docs-issues.yml
+++ b/.github/workflows/create-docs-issues.yml
@@ -25,7 +25,7 @@ jobs:
             await script({github, context});
 
       - name: Slack Failure Message
-        uses: slackapi/slack-github-action@v1.25.0
+        uses: slackapi/slack-github-action@v1.26.0
         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 77b4ce88ca2..c306f5bf42e 100644
--- a/.github/workflows/nightly-check-ci.yml
+++ b/.github/workflows/nightly-check-ci.yml
@@ -101,7 +101,7 @@ jobs:
           report_paths: '**/build/test-results/*/TEST-*.xml'
 
       - name: Slack Nightly Failure
-        uses: slackapi/slack-github-action@v1.25.0
+        uses: slackapi/slack-github-action@v1.26.0
         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 c17680569c7..310dacb144d 100644
--- a/.github/workflows/nightly-image-check.yml
+++ b/.github/workflows/nightly-image-check.yml
@@ -36,7 +36,7 @@ jobs:
           gradle-version: wrapper
 
       - name: Notify Slack
-        uses: slackapi/slack-github-action@v1.25.0
+        uses: slackapi/slack-github-action@v1.26.0
         id: notify-slack
         if: ${{ failure() }}
         env: