diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 10c3161..23c636b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -12,6 +12,7 @@ jobs:
     strategy:
       matrix:
         php:
+          - "8.4"
           - "8.3"
           - "8.2"
           - "8.1"
diff --git a/src/Commands/WorkbunnyWebmanSharedCacheClean.php b/src/Commands/WorkbunnyWebmanSharedCacheClean.php
index a521b95..6704bc8 100644
--- a/src/Commands/WorkbunnyWebmanSharedCacheClean.php
+++ b/src/Commands/WorkbunnyWebmanSharedCacheClean.php
@@ -10,8 +10,8 @@
 
 class WorkbunnyWebmanSharedCacheClean extends AbstractCommand
 {
-    protected static string $defaultName = 'workbunny:shared-cache-clean';
-    protected static string $defaultDescription = 'Remove all workbunny/webman-shared-cache caches. ';
+    protected static $defaultName = 'workbunny:shared-cache-clean';
+    protected static $defaultDescription = 'Remove all workbunny/webman-shared-cache caches. ';
 
     /**
      * @return void
diff --git a/src/Commands/WorkbunnyWebmanSharedCacheEnable.php b/src/Commands/WorkbunnyWebmanSharedCacheEnable.php
index 1c81871..78d8b60 100644
--- a/src/Commands/WorkbunnyWebmanSharedCacheEnable.php
+++ b/src/Commands/WorkbunnyWebmanSharedCacheEnable.php
@@ -10,8 +10,8 @@
 
 class WorkbunnyWebmanSharedCacheEnable extends AbstractCommand
 {
-    protected static string $defaultName = 'workbunny:shared-cache-enable';
-    protected static string $defaultDescription = 'Enable APCu cache with specified settings. ';
+    protected static $defaultName = 'workbunny:shared-cache-enable';
+    protected static $defaultDescription = 'Enable APCu cache with specified settings. ';
 
     /**
      * @return void
diff --git a/src/Commands/WorkbunnyWebmanSharedCacheHRecycle.php b/src/Commands/WorkbunnyWebmanSharedCacheHRecycle.php
index 11c72cd..780c786 100644
--- a/src/Commands/WorkbunnyWebmanSharedCacheHRecycle.php
+++ b/src/Commands/WorkbunnyWebmanSharedCacheHRecycle.php
@@ -10,8 +10,8 @@
 
 class WorkbunnyWebmanSharedCacheHRecycle extends AbstractCommand
 {
-    protected static string $defaultName = 'workbunny:shared-cache-hrecycle';
-    protected static string $defaultDescription = 'Manually recycle expired hashKeys. ';
+    protected static $defaultName = 'workbunny:shared-cache-hrecycle';
+    protected static $defaultDescription = 'Manually recycle expired hashKeys. ';
 
     /**
      * @return void