diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..5a7e9e8
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,11 @@
+{
+  "name": "jimkeller/paragraph_node_tokens",
+  "type": "drupal-module",
+  "description": "Provides functionality for compiling text paragraphs into a single token.",
+  "homepage": "https://github.com/jimkeller/paragraph_node_tokens",
+  "require": {
+    "drupal/core": "^8.8 || ^9",
+    "drupal/token": "^1.0",
+    "drupal/paragraphs": "^1.12"
+  }
+}
diff --git a/paragraph_node_tokens.info.yml b/paragraph_node_tokens.info.yml
index 5aaee21..99a3483 100644
--- a/paragraph_node_tokens.info.yml
+++ b/paragraph_node_tokens.info.yml
@@ -1,6 +1,6 @@
 name: 'Paragraph Node Tokens'
 type: module
 description: 'Provides token values for paragraph-based nodes'
-core: 8.x
+core_version_requirement: '^8.9 || ^9'
 dependencies:
   - token