diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f2eb4b5..acef43d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,7 +1,19 @@
-on: [pull_request]
-name: draco-ci
-jobs:
+on:
+  pull_request:
+  # Run on all pull requests.
 
+  push:
+    # Run on merges/pushes to master.
+    branches:
+      - master
+
+  schedule:
+    # Run nightly, at midnight.
+    - cron: '8 0 * * *'
+
+name: draco-ci
+
+jobs:
   # Main build and test job.
   draco-tests:
     strategy:
diff --git a/README.md b/README.md
index 3c591c6..a64034e 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,7 @@
 <img width="350px" src="docs/artwork/draco3d-vert.svg" />
 </p>
 
-![draco-ci](https://github.com/google/draco/actions/workflows/ci.yml/badge.svg)
-
+[![draco-ci](https://github.com/google/draco/actions/workflows/ci.yml/badge.svg)](https://github.com/google/draco/actions/workflows/ci.yml)
 
 News
 =======