diff --git a/composer.json b/composer.json
index ec67bb1..3edefbc 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
         "silverstripe-themes/simple": "~3.2.0"
     },
     "require-dev": {
-        "phpunit/PHPUnit": "^5.7"
+        "phpunit/phpunit": "^5.7"
     },
     "extra": {
         "project-files": [
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 38151e4..9924cfd 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <ruleset name="SS3">
-    <description>Coding standard for SilverStripe 3.x</description>
+    <description>Coding standard for SilverStripe 4.x</description>
 
     <!-- Don't sniff third party libraries -->
     <exclude-pattern>*/vendor/*</exclude-pattern>
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index b97f70b..a629724 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,7 +1,7 @@
 <!--
 	PHPUnit configuration for SilverStripe
 
-	Requires PHPUnit 3.5+
+	Requires PHPUnit 5+
 
 	Usage:
 	 - "phpunit": Runs all tests in all folders