diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index 02ff999a..df77aa78 100644
--- a/.github/workflows/cache.yml
+++ b/.github/workflows/cache.yml
@@ -3,6 +3,7 @@ on:
   schedule:
     # Execute cache weekly at 3am on Monday
     - cron:  '0 3 * * 1'
+  workflow_dispatch:
 jobs:
   tests:
     runs-on: ubuntu-latest