diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee7a17b..0cdc43d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [Unreleased]
+
+### Fixed
+
+- `dependency-graph` binary crashed due to undefined method call
+
 ## 3.9.0 - 2026-02-28
 
 ### Changed
diff --git a/dependency-graph b/dependency-graph
index bc2ec14..98b06ce 100755
--- a/dependency-graph
+++ b/dependency-graph
@@ -21,13 +21,16 @@ use Innmind\Framework\{
 use Innmind\DependencyGraph\Kernel;
 use Innmind\OperatingSystem\Config;
 
-$config = Config::of()
-    ->limitHttpConcurrencyTo(20);
+$config = Config::new()->mapHttpTransport(
+    static fn($transport) => $transport->map(
+        static fn($config) => $config->limitConcurrencyTo(20),
+    ),
+);
 
 new class($config) extends Cli {
+    #[\Override]
     protected function configure(Application $app): Application
     {
         return $app->map(new Kernel);
     }
 };
-
diff --git a/psalm.xml b/psalm.xml
index 510148d..033fa3d 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -10,6 +10,7 @@
 >
     <projectFiles>
         <directory name="src" />
+        <file name="dependency-graph" />
         <ignoreFiles>
             <directory name="vendor" />
         </ignoreFiles>