diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1525e16..c40fa75 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        php: [8.1, 8.2, 8.3]
+        php: [8.1, 8.2, 8.3, 8.4]
         composer_flags: [ '', '--prefer-lowest' ]
 
     steps: