diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index 56ab64ba..9fa1dd8f 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -1,6 +1,7 @@
 name: Check for Type Errors
 
 on:
+  pull_request:
   push: # (or pull requests)
     paths:
       - '.github/workflows/**'
diff --git a/.github/workflows/php-cs-fixer.yml b/.github/workflows/php-cs-fixer.yml
index 2489891d..de691309 100644
--- a/.github/workflows/php-cs-fixer.yml
+++ b/.github/workflows/php-cs-fixer.yml
@@ -1,6 +1,7 @@
 name: Check & fix styling
 
 on:
+  pull_request:
   push: # (or pull requests)
     paths:
       - '.github/workflows/**'
diff --git a/.github/workflows/phpunit.yaml b/.github/workflows/phpunit.yaml
index 600b4438..c4fb588c 100644
--- a/.github/workflows/phpunit.yaml
+++ b/.github/workflows/phpunit.yaml
@@ -1,6 +1,9 @@
 name: Testing Code with PHPUnit
 
 on:
+  schedule:
+    - cron: '0 0 * * *'
+  pull_request:
   push: # (or pull requests)
     paths:
       - '.github/workflows/**'
diff --git a/.github/workflows/spellcheck.yml b/.github/workflows/spellcheck.yml
index b9bb146d..adcf17be 100644
--- a/.github/workflows/spellcheck.yml
+++ b/.github/workflows/spellcheck.yml
@@ -1,6 +1,7 @@
 name: Spell check
 
 on:
+  pull_request:
   push: # (or pull requests)
     paths:
       - '.github/workflows/**'