diff --git a/composer.json b/composer.json
index 67d3f03..9a5594f 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     "require": {
         "php": ">=8.1",
         "drupal/core": "^10",
-        "drupal/embed": "^1.7"
+        "drupal/embed": "~1.7.0"
     },
     "require-dev": {
         "composer/installers": "^1.5",
@@ -60,7 +60,8 @@
             }
         },
         "_readme": [
-            "Explicit requirement of nikic/php-parser as ^5.0 generates GrumPHP Parser issues."
+            "Explicit requirement of nikic/php-parser as ^5.0 generates GrumPHP Parser issues.",
+            "Lock drupal/embed to 1.7.x to keep BC for CKEditor 4."
         ]
     },
     "config": {
@@ -71,7 +72,8 @@
             "cweagans/composer-patches": true,
             "dealerdirect/phpcodesniffer-composer-installer": true,
             "phpro/grumphp": true,
-            "phpstan/extension-installer": true
+            "phpstan/extension-installer": true,
+            "php-http/discovery": true
         }
     }
 }