diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 22223f703..7fdf0fbd4 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [ '8.1', '8.2', '8.3' ]
+        php: [ '8.1', '8.2', '8.3', '8.4' ]
         imagemagick: [ '6.9.12-55', '7.1.1-32' ]
         imagick: [ '3.7.0' ]
         stability: [ prefer-stable ]