diff --git a/communication/slack-config/restrictions.yaml b/communication/slack-config/restrictions.yaml
index 19ba37ab6d9..30f978796c8 100755
--- a/communication/slack-config/restrictions.yaml
+++ b/communication/slack-config/restrictions.yaml
@@ -56,6 +56,7 @@ restrictions:
       - "^sig-testing"
       - "^kind"
       - "^prow"
+      - "^testgrid"
       - "^testing"
     usergroups:
       - "^test-infra-oncall$"
diff --git a/communication/slack-config/sig-testing/config.yaml b/communication/slack-config/sig-testing/config.yaml
index 6db8443c3c0..fea12efd7f8 100644
--- a/communication/slack-config/sig-testing/config.yaml
+++ b/communication/slack-config/sig-testing/config.yaml
@@ -3,6 +3,7 @@ channels:
   - name: prow
   - name: prow-alerts
   - name: sig-testing
+  - name: testgrid
   - name: testing-commons
     archived: true
-  - name: testing-ops
\ No newline at end of file
+  - name: testing-ops