diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 46073ccf..00460601 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -49,7 +49,7 @@ jobs:
             fail-fast: false
             matrix:
                 os: [ ubuntu, macos, windows ]
-                php: [ "8.1", "8.2", "8.3" ]
+                php: [ "8.1", "8.2", "8.3", "8.4" ]
                 dependencies: [ low, high ]
         steps:
             -   name: "Install rsync"