diff --git a/README.md b/README.md
index 7c9fcda..7feefbd 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ HTTP_REFERER
 SERVER_NAME
 ```
 
-Server variables can be passed to the `test()` method.
+Server variables can be passed to the `test()` and `share()` methods.
 ```php
 $serverVariables = ServerVariables::default()->with(
     ServerVariable::SERVER_NAME,
@@ -72,4 +72,11 @@ $response = $client->test(
     RewriteRule .* /foo [R]',
     $serverVariables
 );
+
+$response = $client->share(
+    'http://localhost',
+    'RewriteCond %{SERVER_NAME} example.com
+    RewriteRule .* /foo [R]',
+    $serverVariables
+);
 ```
diff --git a/src/HtaccessClient.php b/src/HtaccessClient.php
index a3b591a..beb419c 100644
--- a/src/HtaccessClient.php
+++ b/src/HtaccessClient.php
@@ -57,17 +57,16 @@ function (array $line) {
     public function share(
         string $url,
         string $htaccess,
-        ?string $referrer = '',
-        ?string $serverName = ''
+        ?ServerVariables $serverVariables = null
     ): ShareResult {
+        $serverVariables = $serverVariables ?? ServerVariables::default();
         $responseData = $this->request(
             'POST',
             '/share',
             [
                 'url' => $url,
                 'htaccess' => $htaccess,
-                'referrer' => $referrer ?? '',
-                'server_name' => $serverName ?? '',
+                'serverVariables' => $serverVariables->toArray()
             ]
         );
 
diff --git a/tests/HtaccessClientTest.php b/tests/HtaccessClientTest.php
index 5ae9c5b..b048241 100644
--- a/tests/HtaccessClientTest.php
+++ b/tests/HtaccessClientTest.php
@@ -189,7 +189,7 @@ public function it can share a test run with a referer(): void
             'http://localhost',
             'RewriteCond %{HTTP_REFERER} http://example.com
              RewriteRule .* /example-page [L]',
-            'http://example.com'
+            ServerVariables::default()->with(ServerVariable::HTTP_REFERER, 'http://example.com')
         );
 
         $this->assertStringStartsWith(
@@ -222,8 +222,7 @@ public function it can share a test run with a server name(): void
             'http://localhost',
             'RewriteCond %{SERVER_NAME} example.com
              RewriteRule .* /example-page [L]',
-            null,
-            'example.com'
+            ServerVariables::default()->with(ServerVariable::SERVER_NAME, 'example.com')
         );
 
         $this->assertStringStartsWith(