diff --git a/composer.json b/composer.json
index 4e3850b6..d4038ba7 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     "require": {
         "php": ">=5.6.0",
         "danog/phpstruct": "dev-fast",
-        "phpseclib/phpseclib": "dev-master",
+        "phpseclib/phpseclib": "dev-ige",
         "vlucas/phpdotenv": "^2.4",
         "krakjoe/pthreads-polyfill": "dev-master"
     },
diff --git a/tests/testing.php b/tests/testing.php
index c0e097fe..ac4a46f2 100755
--- a/tests/testing.php
+++ b/tests/testing.php
@@ -17,8 +17,11 @@ if (file_exists('web_data.php')) {
 }
 
 echo 'Deserializing MadelineProto from session.madeline...'.PHP_EOL;
-$MadelineProto = \danog\MadelineProto\Serialization::deserialize('session.madeline');
-
+$MadelineProto = false;
+try {
+    $MadelineProto = \danog\MadelineProto\Serialization::deserialize('session.madeline');
+} catch (\danog\MadelineProto\Exception $e) {
+}
 if (file_exists('.env')) {
     echo 'Loading .env...'.PHP_EOL;
     $dotenv = new Dotenv\Dotenv(getcwd());