diff --git a/composer.json b/composer.json
index 30d4b19..24783e2 100644
--- a/composer.json
+++ b/composer.json
@@ -21,19 +21,19 @@
     ],
     "require": {
         "php": ">=5.5.9",
-        "illuminate/contracts": "^5.1|^6.0|^7.0|^8.0",
-        "illuminate/database": "^5.1|^6.0|^7.0|^8.0",
-        "illuminate/routing": "^5.1|^6.0|^7.0|^8.0",
-        "illuminate/session": "^5.1|^6.0|^7.0|^8.0",
-        "illuminate/support": "^5.1|^6.0|^7.0|^8.0",
-        "illuminate/view": "^5.1|^6.0|^7.0|^8.0",
+        "illuminate/contracts": "^5.1|^6.0|^7.0|^8.0|^9.0",
+        "illuminate/database": "^5.1|^6.0|^7.0|^8.0|^9.0",
+        "illuminate/routing": "^5.1|^6.0|^7.0|^8.0|^9.0",
+        "illuminate/session": "^5.1|^6.0|^7.0|^8.0|^9.0",
+        "illuminate/support": "^5.1|^6.0|^7.0|^8.0|^9.0",
+        "illuminate/view": "^5.1|^6.0|^7.0|^8.0|^9.0",
         "recca0120/terminal": "^1.8",
         "tracy/tracy": ">=2.4,<2.9"
     },
     "require-dev": {
         "mockery/mockery": "^1.0",
         "nesbot/carbon": "^1.20|^2.0",
-        "orchestra/testbench": "^2.0|^3.0|^4.18|^5.20|^6.23",
+        "orchestra/testbench": "^2.0|^3.0|^4.18|^5.20|^6.23|^7.0",
         "phpunit/phpunit": "^4.8|^5.4|^6.1|^7.0|^8.0|^9.0"
     },
     "autoload": {
diff --git a/src/DebuggerManager.php b/src/DebuggerManager.php
index e8f4741..e34ef8d 100644
--- a/src/DebuggerManager.php
+++ b/src/DebuggerManager.php
@@ -83,7 +83,7 @@ public static function init($config = [])
             'scream' => true,
             'showLocation' => true,
             'strictMode' => true,
-            'currentTime' => $_SERVER['REQUEST_TIME_FLOAT'] ?: microtime(true),
+            'currentTime' => array_key_exists('REQUEST_TIME_FLOAT', $_SERVER) ? $_SERVER['REQUEST_TIME_FLOAT'] : microtime(true),
             'editorMapping' => isset(Debugger::$editorMapping) === true ? Debugger::$editorMapping : [],
         ], $config);
 
diff --git a/src/Exceptions/Handler.php b/src/Exceptions/Handler.php
index b9e4777..29cd90d 100644
--- a/src/Exceptions/Handler.php
+++ b/src/Exceptions/Handler.php
@@ -80,7 +80,7 @@ public function render($request, Throwable $e)
         $response = $this->exceptionHandler->render($request, $e);
 
         if ($this->shouldRenderException($response) === true) {
-            $_SERVER = $request->server();
+            $_SERVER = (array) $request->server();
             $response->setContent($this->debuggerManager->exceptionHandler($e));
         }
 
diff --git a/tests/Exceptions/HandlerTest.php b/tests/Exceptions/HandlerTest.php
index 98a04ef..2c14f4f 100644
--- a/tests/Exceptions/HandlerTest.php
+++ b/tests/Exceptions/HandlerTest.php
@@ -162,7 +162,7 @@ public function testRender()
         $response = m::spy(SymfonyResponse::class);
         $exceptionHandler->expects('render')->with($request, $exception)->andReturns($response);
 
-        $response->expects('getContent')->andReturns(null);
+        $response->expects('getContent')->andReturns('');
         $debuggerManager->expects('exceptionHandler')->with($exception)->andReturns($content = 'foo');
         $response->expects('setContent')->with($content);