diff --git a/composer.json b/composer.json
index 823c5a1..401f4cd 100644
--- a/composer.json
+++ b/composer.json
@@ -21,8 +21,8 @@
     ],
     "require": {
         "php": "^7.4 || ^8.0",
-        "silverstripe/framework": "^4.10",
-        "silverstripe/versioned": "^1.0",
+        "silverstripe/framework": "4.13.x-dev",
+        "silverstripe/versioned": "1.13.x-dev",
         "guzzlehttp/guzzle": "^6.3.3 || ^7"
     },
     "require-dev": {
@@ -38,4 +38,4 @@
     },
     "minimum-stability": "dev",
     "prefer-stable": true
-}
+}
\ No newline at end of file