diff --git a/.scrutinizer.yml b/.scrutinizer.yml
index 61b0c9f61..4625fbfe3 100644
--- a/.scrutinizer.yml
+++ b/.scrutinizer.yml
@@ -1,5 +1,11 @@
 inherit: true
 
+build:
+  nodes:
+    analysis:
+      tests:
+        override: [php-scrutinizer-run]
+
 checks:
   php:
     code_rating: true
diff --git a/composer.json b/composer.json
index 7bbb9f53f..bc56627df 100644
--- a/composer.json
+++ b/composer.json
@@ -30,15 +30,14 @@
         }
     ],
     "require": {
-        "silverstripe/framework": "^4@dev",
-        "silverstripe/cms": "^4@dev",
-        "symbiote/silverstripe-gridfieldextensions": "^3@dev",
-        "silverstripe/segment-field": "^2@dev",
-        "silverstripe/versioned": "^1@dev"
+        "silverstripe/cms": "^4.0",
+        "symbiote/silverstripe-gridfieldextensions": "3.0.x-dev",
+        "silverstripe/segment-field": "^2.0",
+        "silverstripe/versioned": "^1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.7",
-        "squizlabs/php_codesniffer": "*"
+        "squizlabs/php_codesniffer": "^3.0"
     },
     "autoload": {
         "psr-4": {