diff --git a/.github/workflows/notify-tsc-members-mention.yml b/.github/workflows/notify-tsc-members-mention.yml
index d72fd85b..54bc8f8a 100644
--- a/.github/workflows/notify-tsc-members-mention.yml
+++ b/.github/workflows/notify-tsc-members-mention.yml
@@ -32,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 16
           cache: 'npm'
@@ -48,7 +48,7 @@ jobs:
         with:
           markdown: "[${{github.event.issue.title}}](${{github.event.issue.html_url}}) \n ${{github.event.issue.body}}"
       - name: Send info about issue
-        uses: rtCamp/action-slack-notify@v2
+        uses: rtCamp/action-slack-notify@c33737706dea87cd7784c687dadc9adf1be59990 # Using v2.3.2
         env:
           SLACK_WEBHOOK: ${{secrets.SLACK_TSC_MEMBERS_NOTIFY}}
           SLACK_TITLE: 🆘 New issue that requires TSC Members attention 🆘
@@ -61,15 +61,16 @@ jobs:
         run: npm install
         working-directory: ./.github/workflows/scripts/mailchimp
       - name: Send email with MailChimp
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         env:
           CALENDAR_ID: ${{ secrets.CALENDAR_ID }}
           CALENDAR_SERVICE_ACCOUNT: ${{ secrets.CALENDAR_SERVICE_ACCOUNT }}
           MAILCHIMP_API_KEY: ${{ secrets.MAILCHIMP_API_KEY }}
+          TITLE: ${{github.event.issue.title}}
         with:
           script: |
             const sendEmail = require('./.github/workflows/scripts/mailchimp/index.js');
-            sendEmail('${{github.event.issue.html_url}}', '${{github.event.issue.title}}');
+            sendEmail('${{github.event.issue.html_url}}', '$TITLE');
 
   pull_request:
     if: github.event_name == 'pull_request_target' && contains(github.event.pull_request.body, '@asyncapi/tsc_members')
@@ -77,9 +78,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 16
           cache: 'npm'
@@ -93,7 +94,7 @@ jobs:
         with:
           markdown: "[${{github.event.pull_request.title}}](${{github.event.pull_request.html_url}}) \n ${{github.event.pull_request.body}}"
       - name: Send info about pull request
-        uses: rtCamp/action-slack-notify@v2
+        uses: rtCamp/action-slack-notify@c33737706dea87cd7784c687dadc9adf1be59990 # Using v2.3.2
         env:
           SLACK_WEBHOOK: ${{secrets.SLACK_TSC_MEMBERS_NOTIFY}}
           SLACK_TITLE: 🆘 New PR that requires TSC Members attention 🆘
@@ -106,15 +107,16 @@ jobs:
         run: npm install
         working-directory: ./.github/workflows/scripts/mailchimp
       - name: Send email with MailChimp
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         env:
           CALENDAR_ID: ${{ secrets.CALENDAR_ID }}
           CALENDAR_SERVICE_ACCOUNT: ${{ secrets.CALENDAR_SERVICE_ACCOUNT }}
           MAILCHIMP_API_KEY: ${{ secrets.MAILCHIMP_API_KEY }}
+          TITLE: ${{github.event.pull_request.title}}
         with:
           script: |
             const sendEmail = require('./.github/workflows/scripts/mailchimp/index.js');
-            sendEmail('${{github.event.pull_request.html_url}}', '${{github.event.pull_request.title}}');
+            sendEmail('${{github.event.pull_request.html_url}}', '$TITLE');
 
   discussion:
     if: github.event_name == 'discussion' && contains(github.event.discussion.body, '@asyncapi/tsc_members')
@@ -122,9 +124,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 16
           cache: 'npm'
@@ -138,7 +140,7 @@ jobs:
         with:
           markdown: "[${{github.event.discussion.title}}](${{github.event.discussion.html_url}}) \n ${{github.event.discussion.body}}"
       - name: Send info about pull request
-        uses: rtCamp/action-slack-notify@v2
+        uses: rtCamp/action-slack-notify@c33737706dea87cd7784c687dadc9adf1be59990 # Using v2.3.2
         env:
           SLACK_WEBHOOK: ${{secrets.SLACK_TSC_MEMBERS_NOTIFY}}
           SLACK_TITLE: 🆘 New discussion that requires TSC Members attention 🆘
@@ -151,15 +153,16 @@ jobs:
         run: npm install
         working-directory: ./.github/workflows/scripts/mailchimp
       - name: Send email with MailChimp
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         env:
           CALENDAR_ID: ${{ secrets.CALENDAR_ID }}
           CALENDAR_SERVICE_ACCOUNT: ${{ secrets.CALENDAR_SERVICE_ACCOUNT }}
           MAILCHIMP_API_KEY: ${{ secrets.MAILCHIMP_API_KEY }}
+          TITLE: ${{github.event.discussion.title}}
         with:
           script: |
             const sendEmail = require('./.github/workflows/scripts/mailchimp/index.js');
-            sendEmail('${{github.event.discussion.html_url}}', '${{github.event.discussion.title}}');
+            sendEmail('${{github.event.discussion.html_url}}', '$TITLE');
 
   issue_comment:
     if: ${{ github.event_name == 'issue_comment' && !github.event.issue.pull_request && contains(github.event.comment.body, '@asyncapi/tsc_members') }}
@@ -167,9 +170,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 16
           cache: 'npm'
@@ -183,7 +186,7 @@ jobs:
         with:
           markdown: "[${{github.event.issue.title}}](${{github.event.comment.html_url}}) \n ${{github.event.comment.body}}"
       - name: Send info about issue comment
-        uses: rtCamp/action-slack-notify@v2
+        uses: rtCamp/action-slack-notify@c33737706dea87cd7784c687dadc9adf1be59990 # Using v2.3.2
         env:
           SLACK_WEBHOOK: ${{secrets.SLACK_TSC_MEMBERS_NOTIFY}}
           SLACK_TITLE: 🆘 New comment under existing issue that requires TSC Members attention 🆘
@@ -196,15 +199,16 @@ jobs:
         run: npm install
         working-directory: ./.github/workflows/scripts/mailchimp
       - name: Send email with MailChimp
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         env:
           CALENDAR_ID: ${{ secrets.CALENDAR_ID }}
           CALENDAR_SERVICE_ACCOUNT: ${{ secrets.CALENDAR_SERVICE_ACCOUNT }}
           MAILCHIMP_API_KEY: ${{ secrets.MAILCHIMP_API_KEY }}
+          TITLE: ${{github.event.issue.title}}
         with:
           script: |
             const sendEmail = require('./.github/workflows/scripts/mailchimp/index.js');
-            sendEmail('${{github.event.comment.html_url}}', '${{github.event.issue.title}}');
+            sendEmail('${{github.event.comment.html_url}}', '$TITLE');
 
   pr_comment:
     if: github.event_name == 'issue_comment' && github.event.issue.pull_request && contains(github.event.comment.body, '@asyncapi/tsc_members')
@@ -212,9 +216,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 16
           cache: 'npm'
@@ -228,7 +232,7 @@ jobs:
         with:
           markdown: "[${{github.event.issue.title}}](${{github.event.comment.html_url}}) \n ${{github.event.comment.body}}"
       - name: Send info about PR comment
-        uses: rtCamp/action-slack-notify@v2
+        uses: rtCamp/action-slack-notify@c33737706dea87cd7784c687dadc9adf1be59990 # Using v2.3.2
         env:
           SLACK_WEBHOOK: ${{secrets.SLACK_TSC_MEMBERS_NOTIFY}}
           SLACK_TITLE: 🆘 New comment under existing PR that requires TSC Members attention 🆘
@@ -241,15 +245,16 @@ jobs:
         run: npm install
         working-directory: ./.github/workflows/scripts/mailchimp
       - name: Send email with MailChimp
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         env:
           CALENDAR_ID: ${{ secrets.CALENDAR_ID }}
           CALENDAR_SERVICE_ACCOUNT: ${{ secrets.CALENDAR_SERVICE_ACCOUNT }}
           MAILCHIMP_API_KEY: ${{ secrets.MAILCHIMP_API_KEY }}
+          TITLE: ${{github.event.issue.title}}
         with:
           script: |
             const sendEmail = require('./.github/workflows/scripts/mailchimp/index.js');
-            sendEmail('${{github.event.comment.html_url}}', '${{github.event.issue.title}}');
+            sendEmail('${{github.event.comment.html_url}}', '$TITLE');
 
   discussion_comment:
     if: github.event_name == 'discussion_comment' && contains(github.event.comment.body, '@asyncapi/tsc_members')
@@ -257,9 +262,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 16
           cache: 'npm'
@@ -273,7 +278,7 @@ jobs:
         with:
           markdown: "[${{github.event.discussion.title}}](${{github.event.comment.html_url}}) \n ${{github.event.comment.body}}"
       - name: Send info about discussion comment
-        uses: rtCamp/action-slack-notify@v2
+        uses: rtCamp/action-slack-notify@c33737706dea87cd7784c687dadc9adf1be59990 # Using v2.3.2
         env:
           SLACK_WEBHOOK: ${{secrets.SLACK_TSC_MEMBERS_NOTIFY}}
           SLACK_TITLE: 🆘 New comment under existing discussion that requires TSC Members attention 🆘
@@ -286,12 +291,13 @@ jobs:
         run: npm install
         working-directory: ./.github/workflows/scripts/mailchimp
       - name: Send email with MailChimp
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         env:
           CALENDAR_ID: ${{ secrets.CALENDAR_ID }}
           CALENDAR_SERVICE_ACCOUNT: ${{ secrets.CALENDAR_SERVICE_ACCOUNT }}
           MAILCHIMP_API_KEY: ${{ secrets.MAILCHIMP_API_KEY }}
+          TITLE: ${{github.event.discussion.title}}
         with:
           script: |
             const sendEmail = require('./.github/workflows/scripts/mailchimp/index.js');
-            sendEmail('${{github.event.comment.html_url}}', '${{github.event.discussion.title}}');
+            sendEmail('${{github.event.comment.html_url}}', '$TITLE');