diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3f5556d..247dd87 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,6 +12,8 @@ jobs:
       fail-fast: false
       matrix:
         php:
+          - 8.4
+          - 8.3
           - 8.2
           - 8.1
           - 8.0
diff --git a/php_uv.c b/php_uv.c
index 31eb081..bee452d 100644
--- a/php_uv.c
+++ b/php_uv.c
@@ -2826,6 +2826,11 @@ PHP_RSHUTDOWN_FUNCTION(uv)
 ZEND_BEGIN_ARG_INFO_EX(arginfo_void, 0, 0, 0)
 ZEND_END_ARG_INFO()
 
+ZEND_BEGIN_ARG_INFO_EX(arginfo_uv_stdio_new, 0, 0, 0)
+    ZEND_ARG_INFO(0, handle)
+    ZEND_ARG_INFO(0, flags)
+ZEND_END_ARG_INFO()
+
 ZEND_BEGIN_ARG_INFO_EX(arginfo_uv_run, 0, 0, 0)
 	ZEND_ARG_INFO(0, loop)
 	ZEND_ARG_INFO(0, run_mode)
@@ -6359,7 +6364,7 @@ static zend_function_entry uv_functions[] = {
 	PHP_FE(uv_pipe_pending_instances,   arginfo_uv_pipe_pending_instances)
 	PHP_FE(uv_pipe_pending_count,       arginfo_uv_pipe_pending_count)
 	PHP_FE(uv_pipe_pending_type,        arginfo_uv_pipe_pending_type)
-	PHP_FE(uv_stdio_new,                arginfo_void)
+	PHP_FE(uv_stdio_new,                arginfo_uv_stdio_new)
 	/* spawn */
 	PHP_FE(uv_spawn,                    arginfo_uv_spawn)
 	PHP_FE(uv_process_kill,             arginfo_uv_process_kill)