diff --git a/composer.json b/composer.json
index d093e0f..e5505e3 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     "php": "^7.4",
     "laminas/laminas-mvc": "^3.1",
     "laminas/laminas-mvc-form": "^1.0.0",
-    "solarium/solarium": "^5.1",
+    "solarium/solarium": "^5.1 || ^6.0",
     "phpoffice/phppresentation": "^0.9"
   },
   "require-dev": {