diff --git a/.github/workflows/build-test-ci.yml b/.github/workflows/build-test-ci.yml
index 75f6ca21..2196d55f 100644
--- a/.github/workflows/build-test-ci.yml
+++ b/.github/workflows/build-test-ci.yml
@@ -7,6 +7,14 @@ on:
   push:
     branches: [main]
 
+  schedule:
+    # The GH mirroring from Google GoB does not trigger push actions.
+    # Fire it every other day to provide some coverage.  This will run ~8 AM PT.
+    - cron: '39 3 */2 * *'
+
+  # Allow for manual triggers from the web.
+  workflow_dispatch:
+
 jobs:
   autotools:
     strategy:
diff --git a/.github/workflows/coverity.yml b/.github/workflows/coverity.yml
index 84e6edaf..cfa0f2ab 100644
--- a/.github/workflows/coverity.yml
+++ b/.github/workflows/coverity.yml
@@ -8,6 +8,14 @@ on:
   push:
     branches: [main]
 
+  schedule:
+    # The GH mirroring from Google GoB does not trigger push actions.
+    # Fire it once a week to provide some coverage.
+    - cron: '39 2 * * WED'
+
+  # Allow for manual triggers from the web.
+  workflow_dispatch:
+
 jobs:
   coverity:
     runs-on: ubuntu-latest