diff --git a/composer.json b/composer.json
index d2b99e4..742621d 100644
--- a/composer.json
+++ b/composer.json
@@ -17,9 +17,9 @@
     ],
     "require": {
         "php": "^7.4 || ^8.0",
-        "silverstripe/cms": "^4",
-        "silverstripe/versioned": "^1",
-        "silverstripe/siteconfig": "^4"
+        "silverstripe/cms": "4.13.x-dev",
+        "silverstripe/versioned": "1.13.x-dev",
+        "silverstripe/siteconfig": "4.13.x-dev"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",
@@ -33,4 +33,4 @@
     },
     "minimum-stability": "dev",
     "prefer-stable": true
-}
+}
\ No newline at end of file