diff --git a/generated/functionsList.php b/generated/functionsList.php
index 62735a6f..396c539d 100644
--- a/generated/functionsList.php
+++ b/generated/functionsList.php
@@ -717,6 +717,7 @@
     'posix_getgrnam',
     'posix_getgroups',
     'posix_getlogin',
+    'posix_getpgid',
     'posix_getpwuid',
     'posix_getrlimit',
     'posix_getsid',
@@ -1032,6 +1033,7 @@
     'swoole_event_write',
     'symlink',
     'system',
+    'sys_getloadavg',
     'tempnam',
     'timezone_name_from_abbr',
     'time_nanosleep',
diff --git a/generator/config/specialCasesFunctions.php b/generator/config/specialCasesFunctions.php
index 017d6a4f..80ebbdc5 100644
--- a/generator/config/specialCasesFunctions.php
+++ b/generator/config/specialCasesFunctions.php
@@ -6,13 +6,15 @@
 return [
     'json_decode',
     'apcu_fetch',
-    'fputcsv',
     'preg_replace',
-    'openssl_encrypt',
     'readdir',
+    'openssl_encrypt',
     'socket_write',
     'simplexml_import_dom',
     'simplexml_load_file',
     'simplexml_load_string',
+    'sys_getloadavg',
+    'posix_getpgid',
+    'fputcsv',
     'fgetcsv',  // This function need to return false when iterating on an end of file.
 ];
diff --git a/rector-migrate.php b/rector-migrate.php
index d84fbaed..c7008e0b 100644
--- a/rector-migrate.php
+++ b/rector-migrate.php
@@ -724,6 +724,7 @@
             'posix_getgrnam' => 'Safe\posix_getgrnam',
             'posix_getgroups' => 'Safe\posix_getgroups',
             'posix_getlogin' => 'Safe\posix_getlogin',
+            'posix_getpgid' => 'Safe\posix_getpgid',
             'posix_getpwuid' => 'Safe\posix_getpwuid',
             'posix_getrlimit' => 'Safe\posix_getrlimit',
             'posix_getsid' => 'Safe\posix_getsid',
@@ -1039,6 +1040,7 @@
             'swoole_event_write' => 'Safe\swoole_event_write',
             'symlink' => 'Safe\symlink',
             'system' => 'Safe\system',
+            'sys_getloadavg' => 'Safe\sys_getloadavg',
             'tempnam' => 'Safe\tempnam',
             'timezone_name_from_abbr' => 'Safe\timezone_name_from_abbr',
             'time_nanosleep' => 'Safe\time_nanosleep',