diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 6f5284dd45..3060323da2 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -1,6 +1,13 @@
 name: Check for bad links in documentation
 
-on: [ pull_request]
+on:
+  pull_request:
+    paths:
+    # Only run on changes to .md files -- this check is too flakey to run on every PR
+    - '**.md'
+  workflow_dispatch: # Manual
+  schedule:
+  - cron: '0 6 * * *' # Nightly 6AM UTC
 
 jobs:
   markdown-link-check: