diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..0ce6b92
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,14 @@
+{
+    "name": "async-interop/event-loop",
+    "description": "An event loop interface",
+    "keywords": ["event", "loop", "async", "interop"],
+    "license": "MIT",
+    "require": {
+        "php": ">=5.3.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "Interop\\Async\\EventLoop\\": "src/"
+        }
+    }
+}