diff --git a/.phan/config.php b/.phan/config.php
new file mode 100644
index 0000000..ee8e7df
--- /dev/null
+++ b/.phan/config.php
@@ -0,0 +1,6 @@
+<?php
+return [
+    "target_php_version" => "7.4",
+    "directory_list" => ["src/"],
+    "exclude_analysis_directory_list" => ["vendor/"],
+];