diff --git a/composer.json b/composer.json
index 4a2b549..46aa88b 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
   "require": {
     "drupal/geolocation": "^3.2",
     "drupal/token": "^1.7",
-    "professional-wiki/edtf": "^2.0"
+    "professional-wiki/edtf": "^2 || ^3"
   },
   "require-dev": {
     "phpunit/phpunit": "^6",