diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9caf6708a..fa7aa2c05 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -96,13 +96,13 @@ jobs:
       - name: Create failure MM message
         if: ${{ failure() }}
         run: |
-          echo "{\"text\":\":building_construction: Che Operator ${{ github.event.inputs.version }} release has failed: https://github.com/eclipse-che/che-operator/actions/workflows/release.yml\"}" > mattermost.json
+          echo "{\"text\":\":no_entry_sign: Che Operator ${{ github.event.inputs.version }} release has failed: https://github.com/eclipse-che/che-operator/actions/workflows/release.yml\"}" > mattermost.json
       - name: Create success MM message
         run: |
-          echo "{\"text\":\":building_construction: Che Operator ${{ github.event.inputs.version }} release PR have been created: https://github.com/eclipse-che/che-operator/pulls/che-bot\"}" > mattermost.json
+          echo "{\"text\":\":white_check_mark: Che Operator ${{ github.event.inputs.version }} release PR have been created: https://github.com/eclipse-che/che-operator/pulls/che-bot\"}" > mattermost.json
       - name: Send MM message
         if: ${{ success() }} || ${{ failure() }}
-        uses: mattermost/action-mattermost-notify@master
+        uses: mattermost/action-mattermost-notify@1.0.2
         env:
           MATTERMOST_WEBHOOK_URL: ${{ secrets.MATTERMOST_WEBHOOK_URL }}
           MATTERMOST_CHANNEL: eclipse-che-releases