diff --git a/.github/workflows/pr-notification.yml b/.github/workflows/pr-notification.yml
index c61ce25..4e3cb77 100644
--- a/.github/workflows/pr-notification.yml
+++ b/.github/workflows/pr-notification.yml
@@ -19,6 +19,8 @@ jobs:
       - name: Notification to main channel
         if: ${{ github.actor != 'dependabot[bot]' }}
         uses: mattermost/action-mattermost-notify@v2.1.0
+        env:
+          NODE_TLS_REJECT_UNAUTHORIZED: '0'
         with:
           MATTERMOST_WEBHOOK_URL: ${{ secrets.MM_WEBHOOK_URL }}
           MATTERMOST_CHANNEL: ${{ secrets.MM_CHANNEL_NAME }}
@@ -27,6 +29,8 @@ jobs:
 
       - name: Notification to dev channel
         uses: mattermost/action-mattermost-notify@v2.1.0
+        env:
+          NODE_TLS_REJECT_UNAUTHORIZED: '0'
         with:
           MATTERMOST_WEBHOOK_URL: ${{ secrets.MM_WEBHOOK_URL }}
           MATTERMOST_CHANNEL: ${{ secrets.MM_CHANNEL_BOT_PR }}
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index be6a47e..21921b4 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -27,6 +27,8 @@ jobs:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_PUBLISH_TOKEN }}
           NPM_CONFIG_PROVENANCE: true
       - uses: mattermost/action-mattermost-notify@v2.1.0
+        env:
+          NODE_TLS_REJECT_UNAUTHORIZED: '0'
         with:
           MATTERMOST_WEBHOOK_URL: ${{ secrets.MM_WEBHOOK_URL }}
           MATTERMOST_CHANNEL: ${{ secrets.MM_CHANNEL_NAME }}