diff --git a/composer.json b/composer.json
index 6bb9d0d..b3076dd 100644
--- a/composer.json
+++ b/composer.json
@@ -6,10 +6,10 @@
   "type": "library",
   "license": "MIT",
   "require": {
-    "php": ">=8.1",
-    "lunr/halo": "dev-master"
+    "php": ">=8.1"
   },
   "require-dev": {
+    "lunr/halo": "dev-master",
     "phpunit/phpunit": ">=9.0 <9.6",
     "ext-xdebug": "~3.1"
   },
diff --git a/decomposer.json b/decomposer.json
index 6a8ce2a..c6db072 100644
--- a/decomposer.json
+++ b/decomposer.json
@@ -6,6 +6,7 @@
         "psr4": {
             "prefix": "Lunr\\Halo",
             "search-path": "/src/Lunr/Halo/"
-        }
+        },
+        "development-only": true
     }
 }