diff --git a/.github/workflows/deploy-docker-to-tst.yml b/.github/workflows/deploy-docker-to-tst.yml
index bbec732..a57b62d 100644
--- a/.github/workflows/deploy-docker-to-tst.yml
+++ b/.github/workflows/deploy-docker-to-tst.yml
@@ -26,9 +26,9 @@ jobs:
           path: version.txt
       - name: Notify Mattermost on start build
         run: |
-          curl -X POST -H 'Content-Type: application/json' \
+          curl -X POST -H 'Content-Type: application/json' -H "Authorization: Bearer ${{ secrets.MATTERMOST_BOT_TOKEN }}" \
           -d '{
-                "text": "🚀 *Build gestart!* Een nieuwe build [$VERSION-SNAPSHOT] is begonnen voor de repository *${{ gitea.repository }}* op branch *${{ gitea.ref }}*."
+                "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
 
@@ -92,9 +92,9 @@ jobs:
             docker image prune -f
       - name: Notify Mattermost on start build
         run: |
-          curl -X POST -H 'Content-Type: application/json' \
+          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"
+                "text": "🚀 *Build is geslaagd!* Versie ${{VERSION}}-SNAPSHOT staat klaar op https://test-paypoint.melvanveen.nl"
               }' \
           https://mattermost.melvanveen.nl/hooks/gzzhdchjiirbmdfzyw1a9cf4sh