diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index 1022c80..c942876 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -14,8 +14,11 @@
 #
 name: Haskell-CI
 on:
-  - push
-  - pull_request
+  push:
+  pull_request:
+  workflow_dispatch:
+  schedule:
+      - cron: '0 0 * * 0'
 jobs:
   linux:
     name: Haskell-CI - Linux - ${{ matrix.compiler }}