diff --git a/composer.json b/composer.json
index ce676e1..415df4e 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
     ],
     "require": {
         "flarum/core": "^1.6.0",
-        "google/recaptcha": "^1.2"
+        "google/recaptcha": ">=1.2 <1.5"
     },
     "authors": [
         {