diff --git a/composer.json b/composer.json
index cc54eee5681fe21ad183415015ffdde8e3289a7d..1d6aeafe7c3d9642a0e44c3a5d804f433e7b59b1 100644
--- a/composer.json
+++ b/composer.json
@@ -19,6 +19,6 @@
   },
   "license": "GPL-2.0+",
   "require": {
-    "drupal/captcha": "~8.0"
+    "drupal/captcha": "^1.0.0-alpha1"
   }
 }