diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000000000000000000000000000000000000..3e853137efaa6841a5a0b718e6ea2a635308c11b
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,26 @@
+{
+    "name": "rattail/corepos-demo-poser",
+    "description": "Poser demo for CORE-POS",
+    "license": "GPL-3.0-or-later",
+    "authors": [
+        {
+            "name": "Lance Edgar",
+            "email": "lance@edbob.org"
+        }
+    ],
+    "require": {
+        "wikimedia/composer-merge-plugin": "^2.1",
+        "rattail/posterior": "^0.1.1"
+    },
+    "extra": {
+        "merge-plugin": {
+            "require": [
+                "../IS4C/composer.json"
+            ]
+        }
+    },
+    "config": {
+        "component-dir": "../IS4C/fannie/src/javascript/composer-components",
+        "vendor-dir": "../IS4C/vendor"
+    }
+}