diff --git a/composer.json b/composer.json
index 490dba0..bc5194f 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
         "php": ">=8.0.0",
         "doctrine/orm": "2.11.*",
         "knplabs/knp-snappy": "^1.4",
-        "murph/murph-core": "dev-master",
+        "murph/murph-core": "^1.18",
         "sabre/dav": "^4.3"
     },
     "require-dev": {
@@ -29,7 +29,8 @@
         },
         "sort-packages": true,
         "allow-plugins": {
-            "symfony/flex": true
+            "symfony/flex": true,
+            "symfony/runtime": true
         }
     },
     "autoload": {