diff --git a/composer.json b/composer.json
index ac612ef5..f1bc5281 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
         "krakjoe/pthreads-polyfill": "*"
     },
     "require": {
-        "php": ">=5.6.0",
+        "php": ">=7.1.0",
         "danog/primemodule": "^1.0.3",
         "danog/magicalserializer": "^1.0",
         "phpseclib/phpseclib": "dev-master#27370df as 2.0.15",
@@ -25,11 +25,11 @@
         "amphp/log": "^1.0",
         "amphp/parser": "^1.0",
         "amphp/dns": "dev-master#861cc857b1ba6e02e8a7439c30403682785fce96 as 0.9.9",
-        "amphp/file": "dev-master#5a69fca406ac5fd220de0aa68c887bc8046eb93c as 0.3.3",
-        "amphp/uri": "dev-master#f3195b163275383909ded7770a11d8eb865cbc86 as 0.1.3",
         "amphp/websocket": "dev-master",
         "amphp/websocket-client": "dev-master",
-        "amphp/artax": "^3.0"
+        "amphp/artax": "^3.0",
+        "amphp/file": "^0.3.5",
+        "amphp/uri": "dev-master as 0.1.4"
     },
     "require-dev": {
         "phpdocumentor/reflection-docblock": "^3.1",
@@ -37,8 +37,7 @@
         "phpunit/phpunit": "^8"
     },
     "suggest": {
-        "ext-libtgvoip": "Install the php-libtgvoip extension to make phone calls (https://github.com/danog/php-libtgvoip)",
-        "ext-sockets": "Install the socket extension to speed up MadelineProto"
+        "ext-libtgvoip": "Install the php-libtgvoip extension to make phone calls (https://github.com/danog/php-libtgvoip)"
     },
     "authors": [
         {
diff --git a/src/danog/MadelineProto/Connection.php b/src/danog/MadelineProto/Connection.php
index eb19071d..445e05ad 100644
--- a/src/danog/MadelineProto/Connection.php
+++ b/src/danog/MadelineProto/Connection.php
@@ -158,7 +158,7 @@ class Connection
     }
 
 
-    public function sendMessage($message, $flush = true): \Generator
+    public function sendMessage($message, $flush = true)
     {
         $deferred = new Deferred();
 
@@ -191,7 +191,7 @@ class Connection
             $this->writer->resume();
         }
 
-        return yield $deferred->promise();
+        return $deferred->promise();
     }
 
     public function setExtra($extra)
diff --git a/src/danog/MadelineProto/DataCenter.php b/src/danog/MadelineProto/DataCenter.php
index c716851b..d67e4708 100644
--- a/src/danog/MadelineProto/DataCenter.php
+++ b/src/danog/MadelineProto/DataCenter.php
@@ -257,7 +257,7 @@ class DataCenter
                             list($first, $second) = [array_slice($orig, 0, 2), array_slice($orig, 2)];
                             $first[] = [$proxy, $extra];
                             $combo = array_merge($first, $second);
-                        } elseif ($orig[1][0] === WssStream::getName()) {
+                        } elseif (in_array($orig[1][0], [WsStream::getName(), WssStream::getName()])) {
                             list($first, $second) = [array_slice($orig, 0, 1), array_slice($orig, 1)];
                             $first[] = [BufferedRawStream::getName(), []];
                             $first[] = [$proxy, $extra];