diff --git a/src/Handlers/RevoltHandler.php b/src/Handlers/RevoltHandler.php
index c808b1f..6f29650 100644
--- a/src/Handlers/RevoltHandler.php
+++ b/src/Handlers/RevoltHandler.php
@@ -24,7 +24,7 @@ public static function isAvailable(): bool
         return
             version_compare(static::_getWorkerVersion(), '5.0.0', '>=') and
             package_installed('revolt/event-loop') and
-            PHP_VERSION_ID >= 81000;
+            PHP_VERSION_ID >= 80100;
     }
 
     /**
diff --git a/src/Handlers/RippleHandler.php b/src/Handlers/RippleHandler.php
index f1c0c57..5e639e4 100644
--- a/src/Handlers/RippleHandler.php
+++ b/src/Handlers/RippleHandler.php
@@ -23,7 +23,7 @@ public static function isAvailable(): bool
         return
             version_compare(static::_getWorkerVersion(), '5.0.0', '<') and
             package_installed('cclilshy/p-ripple-drive') and
-            PHP_VERSION_ID >= 81000;
+            PHP_VERSION_ID >= 80100;
     }
 
     /**
diff --git a/src/Handlers/RippleWorkerman5Handler.php b/src/Handlers/RippleWorkerman5Handler.php
index 9a47f99..173c870 100644
--- a/src/Handlers/RippleWorkerman5Handler.php
+++ b/src/Handlers/RippleWorkerman5Handler.php
@@ -22,7 +22,7 @@ public static function isAvailable(): bool
         return
             version_compare(static::_getWorkerVersion(), '5.0.0', '>=') and
             package_installed('cclilshy/p-ripple-drive') and
-            PHP_VERSION_ID >= 81000;
+            PHP_VERSION_ID >= 80100;
     }
 
     /**