diff --git a/src/constants/collections.ts b/src/constants/collections.ts
new file mode 100644
index 0000000..59bc389
--- /dev/null
+++ b/src/constants/collections.ts
@@ -0,0 +1,9 @@
+/**
+ * Register all firestore collections
+ */
+enum Collections {
+  USERS = 'users',
+  POSTS = 'posts',
+}
+
+export default Collections;