diff --git a/.travis.yml b/.travis.yml
index 3a7b4cf0..ee9e3ae0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,14 +26,14 @@ before_script:
   - composer install --prefer-dist --no-interaction
 
   - if [[ $PHPCS = 1 ]]; then composer require cakephp/cakephp-codesniffer:dev-master; fi
-  - if [[ $PHPSTAN = 1 ]]; then composer require phpstan/phpstan:^0.8; fi
+  - if [[ $PHPSTAN = 1 ]]; then composer require phpstan/phpstan:^0.9; fi
 
 script:
   - if [[ $DEFAULT = 1 && $TRAVIS_PHP_VERSION != 7.0 ]]; then vendor/bin/phpunit; fi
   - if [[ $DEFAULT = 1 && $TRAVIS_PHP_VERSION = 7.0 ]]; then vendor/bin/phpunit --coverage-clover=clover.xml; fi
 
   - if [[ $PHPCS = 1 ]]; then vendor/bin/phpcs -p --extensions=php --standard=vendor/cakephp/cakephp-codesniffer/CakePHP src/ config/; fi
-  - if [[ $PHPSTAN = 1 ]]; then vendor/bin/phpstan analyse -l 5 src; fi
+  - if [[ $PHPSTAN = 1 ]]; then vendor/bin/phpstan analyse -c phpstan.neon -l 5 src; fi
 
 after_success:
   - if [[ $DEFAULT = 1 && $TRAVIS_PHP_VERSION = 7.0 ]]; then bash <(curl -s https://codecov.io/bash); fi
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 00000000..f8f597a8
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,10 @@
+parameters:
+    universalObjectCratesClasses:
+        - Crud\Event\Subject
+    ignoreErrors:
+        - '#Access to an undefined property object::\$element#'
+        - '#Access to an undefined property object::\$params#'
+        - '#Access to an undefined property object::\$query#'
+        - '#Access to an undefined property object::\$type#'
+        - '#Parameter \#1 $dateTime of method Cake\\View\\Helper\\TimeHelper::timeAgoInWords\(\) expects Cake\\Chronos\\ChronosInterface|DateTime|int|string, DateTime|DateTimeImmutable|int|string given#'
+        - '#Parameter \#1 $dateString of method Cake\\View\\Helper\\TimeHelper::nice() expects DateTime|int|string|null, DateTime|DateTimeImmutable|int|string given#'
diff --git a/src/Breadcrumb/Breadcrumb.php b/src/Breadcrumb/Breadcrumb.php
index d579efe1..e01fc8aa 100644
--- a/src/Breadcrumb/Breadcrumb.php
+++ b/src/Breadcrumb/Breadcrumb.php
@@ -54,7 +54,7 @@ public function __construct($title, $url = null, array $options = [])
     /**
      * Returns the menu item title
      *
-     * @return string
+     * @return string|array
      */
     public function getTitle()
     {
diff --git a/src/Listener/ViewListener.php b/src/Listener/ViewListener.php
index 581fdd31..abc08d42 100644
--- a/src/Listener/ViewListener.php
+++ b/src/Listener/ViewListener.php
@@ -574,7 +574,7 @@ protected function _primaryKeyValue()
      *
      * If no value can be found, NULL is returned
      *
-     * @return string
+     * @return string|null
      */
     protected function _displayFieldValue()
     {
@@ -582,7 +582,7 @@ protected function _displayFieldValue()
     }
 
     /**
-     * Extract a field value from a either the CakeRequest::getData()
+     * Extract a field value from a either ServerRequest::getData()
      * or Controller::$viewVars for the current model + the supplied field
      *
      * @param string $field Name of field.
diff --git a/src/View/Helper/CrudViewHelper.php b/src/View/Helper/CrudViewHelper.php
index 7d5b7ed8..3868bbe0 100644
--- a/src/View/Helper/CrudViewHelper.php
+++ b/src/View/Helper/CrudViewHelper.php
@@ -252,7 +252,7 @@ public function formatString($field, $value)
      * Format display field value.
      *
      * @param string $value Display field value.
-     * @param mixed $options Field options.
+     * @param array $options Field options.
      * @return string
      */
     public function formatDisplayField($value, array $options)