diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index aa6e73c..6a35683 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,6 +1,6 @@
 name: test
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
   build:
@@ -11,7 +11,7 @@ jobs:
     strategy: 
       fail-fast: false
       matrix:
-        php: [ 7.3, 7.4 ]
+        php: [ 7.3, 7.4, 8.0 ]
         os: [ ubuntu-latest ]
 
     steps: