diff --git a/composer.json b/composer.json
index a60162e..0feb3db 100644
--- a/composer.json
+++ b/composer.json
@@ -20,8 +20,8 @@
         }
     },
     "require": {
-        "drupal/facets": "*",
-        "drupal/search_api_solr": "*"
+        "drupal/facets": "^2.0",
+        "drupal/search_api_solr": "^4.2"
     },
     "require-dev": {
         "phpunit/phpunit": "^8",