diff --git a/.gitignore b/.gitignore
index db0e5ff..38584b4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ vendor/
 composer.lock
 phpunit.xml
 Tests/Fixtures/build_include/
+.idea/
diff --git a/Curl.php b/Curl.php
index e777fc8..23fb5b0 100644
--- a/Curl.php
+++ b/Curl.php
@@ -80,10 +80,16 @@ public function __construct(array $options = array(), $followLocationMaxRedirect
         if (isset($options['connection_timeout'])) {
             curl_setopt($this->ch, CURLOPT_CONNECTTIMEOUT, $options['connection_timeout']);
         }
+        if (isset($options['timeout'])) {
+            curl_setopt($this->ch, CURLOPT_TIMEOUT, $options['timeout']);
+        }
+        if (isset($options['ssl_verifyhost'])) {
+            curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, $options['ssl_verifyhost']);
+        }
 
         if (isset($options['proxy_host'])) {
             if (false !== $options['proxy_host']) {
-                $proxyHost = $options['proxy_host'].(isset($options['proxy_port']) ? $options['proxy_port'] : 8080);
+                $proxyHost = $options['proxy_host'].':'.(isset($options['proxy_port']) ? $options['proxy_port'] : 8080);
             } else {
                 $proxyHost = false;
             }
diff --git a/Tests/WsdlDownloaderTest.php b/Tests/WsdlDownloaderTest.php
index 38905b5..a5e4595 100644
--- a/Tests/WsdlDownloaderTest.php
+++ b/Tests/WsdlDownloaderTest.php
@@ -278,7 +278,7 @@ public static function setUpBeforeClass()
             $content = file_get_contents(self::$fixturesPath.$file);
             $content = preg_replace('#'.preg_quote('%location%').'#', sprintf('localhost:%d', WEBSERVER_PORT), $content);
 
-            file_put_contents(self::$fixturesPath.'build_include'.DIRECTORY_SEPARATOR.pathinfo($file, PATHINFO_BASENAME), $content);
+            self::$filesystem->dumpFile(self::$fixturesPath.'build_include'.DIRECTORY_SEPARATOR.pathinfo($file, PATHINFO_BASENAME), $content);
         }
     }
 
diff --git a/WsdlDownloader.php b/WsdlDownloader.php
index 97a7d67..eab69e1 100644
--- a/WsdlDownloader.php
+++ b/WsdlDownloader.php
@@ -214,7 +214,7 @@ private function resolveRelativePathInUrl($base, $relative)
         $urlParts = parse_url($base);
 
         // combine base path with relative path
-        if (isset($urlParts['path']) && '/' === $relative{0}) {
+        if (isset($urlParts['path']) && '/' === $relative[0]) {
             // $relative is absolute path from domain (starts with /)
             $path = $relative;
         } elseif (isset($urlParts['path']) && strrpos($urlParts['path'], '/') === (strlen($urlParts['path']) )) {
diff --git a/composer.json b/composer.json
index 8687ce5..b76d6a2 100644
--- a/composer.json
+++ b/composer.json
@@ -20,15 +20,15 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0",
+        "php": ">=7.2",
         "ext-soap": "*",
         "ext-curl": "*",
-        "besimple/soap-common": "0.2.*",
+        "besimple/soap-common": "@dev",
         "ass/xmlsecurity": "~1.0"
     },
     "require-dev": {
         "mikey179/vfsStream": "~1.0",
-        "symfony/filesystem": "~2.0",
+        "symfony/filesystem": "~2.3",
         "symfony/process": "~2.3"
     },
     "autoload": {
@@ -37,7 +37,7 @@
     "target-dir": "BeSimple/SoapClient",
     "extra": {
         "branch-alias": {
-            "dev-master": "0.2-dev"
+            "dev-master": "0.3-dev"
         }
     }
 }