diff --git a/phpcs.xml b/phpcs.xml
index 453bb26e8..46847d7dc 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -10,6 +10,7 @@
 
     <rule ref="Drupal"/>
     <rule ref="DrupalPractice"/>
+    <rule ref="Generic.PHP.RequireStrictTypes" />
     <rule ref="Generic.Debug.ESLint"/>
     <rule ref="PHPCompatibility"/>
 
@@ -18,6 +19,9 @@
     <arg value="sp"/>
     <arg name="parallel" value="75"/>
 
+    <!-- Lint code against platform version specified in composer.json key "config.platform.php". -->
+    <config name="testVersion" value="8.2"/>
+
     <!-- Exclude CircleCI config files. -->
     <exclude-pattern>circle\.yml</exclude-pattern>
     <exclude-pattern>\.circle\/config\.yml</exclude-pattern>