diff --git a/composer.json b/composer.json
new file mode 100644
index 00000000..d1e6ff7f
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,22 @@
+{
+    "name": "roblib/islandora_mirador_annotations",
+    "description": "Adds persistent Mirador 4 annotations to Islandora Mirador without modifying the base module.",
+    "type": "drupal-module",
+    "license": "GPL-2.0-or-later",
+    "authors": [
+        {
+            "name": "Alan Stanley"
+        }
+    ],
+    "require": {
+        "php": ">=8.1",
+        "drupal/core": "^10 || ^11"
+    },
+    "support": {
+        "issues": "https://git.library.upei.ca/astanley/islandora_mirador_annotations/issues",
+        "source": "https://git.library.upei.ca/astanley/islandora_mirador_annotations"
+    },
+    "extra": {
+        "installer-name": "islandora_mirador_annotations"
+    }
+}