diff --git a/.github/workflows/deploy-docker-to-tst.yml b/.github/workflows/deploy-docker-to-tst.yml
index a57b62d..9916a4f 100644
--- a/.github/workflows/deploy-docker-to-tst.yml
+++ b/.github/workflows/deploy-docker-to-tst.yml
@@ -24,13 +24,15 @@ jobs:
         with:
           name: version
           path: version.txt
-      - name: Notify Mattermost on start build
+      - name: Notify Mattermost via Bot
         run: |
-          curl -X POST -H 'Content-Type: application/json' -H "Authorization: Bearer ${{ secrets.MATTERMOST_BOT_TOKEN }}" \
+          curl -X POST -H "Authorization: Bearer ${{ secrets.MATTERMOST_BOT_TOKEN }}" \
+          -H 'Content-Type: application/json' \
           -d '{
+                "channel": "build-notifications",
                 "text": "🚀 *Build gestart!* Een nieuwe build [${{VERSION}}-SNAPSHOT] is begonnen voor de repository *${{ gitea.repository }}* op branch *${{ gitea.ref }}*."
               }' \
-          https://mattermost.melvanveen.nl/hooks/gzzhdchjiirbmdfzyw1a9cf4sh
+          https://mattermost.melvanveen.nl/api/v4/posts
 
       # Stap 3: Inloggen bij Docker Hub
       - name: Log in to Docker Hub
@@ -90,11 +92,13 @@ jobs:
 
             # Opruimen oude images
             docker image prune -f
-      - name: Notify Mattermost on start build
-        run: |
-          curl -X POST -H 'Content-Type: application/json' -H "Authorization: Bearer ${{ secrets.MATTERMOST_BOT_TOKEN }}" \
-          -d '{
-                "text": "🚀 *Build is geslaagd!* Versie ${{VERSION}}-SNAPSHOT staat klaar op https://test-paypoint.melvanveen.nl"
-              }' \
-          https://mattermost.melvanveen.nl/hooks/gzzhdchjiirbmdfzyw1a9cf4sh
 
+      - name: Notify Mattermost via Bot
+        run: |
+          curl -X POST -H "Authorization: Bearer ${{ secrets.MATTERMOST_BOT_TOKEN }}" \
+          -H 'Content-Type: application/json' \
+          -d '{
+                "channel": "build-notifications",
+                "text": "✅ *Build is geslaagd!* Versie ${{VERSION}}-SNAPSHOT staat klaar op https://test-paypoint.melvanveen.nl"
+              }' \
+          https://mattermost.melvanveen.nl/api/v4/posts