diff --git a/README.md b/README.md
index d26e7e1f..72f7b959 100644
--- a/README.md
+++ b/README.md
@@ -74,6 +74,7 @@ It has been extracted as a separate project to make maintenance easier and enabl
 | phpstan-phpunit | [PHPUnit extensions and rules for PHPStan](https://github.com/phpstan/phpstan-phpunit) | ✅ | ✅ | ✅ |
 | phpstan-strict-rules | [Extra strict and opinionated rules for PHPStan](https://github.com/phpstan/phpstan-strict-rules) | ✅ | ✅ | ✅ |
 | phpstan-symfony | [Symfony extension for PHPStan](https://github.com/phpstan/phpstan-symfony) | ✅ | ✅ | ✅ |
+| phpstan-symplify | [Symplify extension for PHPStan](https://github.com/symplify/phpstan-rules) | ✅ | ✅ | ✅ |
 | phpstan-webmozart-assert | [PHPStan extension for webmozart/assert](https://github.com/phpstan/phpstan-webmozart-assert) | ✅ | ✅ | ✅ |
 | phpunit | [The PHP testing framework](https://phpunit.de/) | ✅ | ✅ | ✅ |
 | phpunit-5 | [The PHP testing framework (5.x version)](https://phpunit.de/) | ✅ | ✅ | ❌ |
diff --git a/resources/phpstan.json b/resources/phpstan.json
index 2f7ed4fc..bdc3b58c 100644
--- a/resources/phpstan.json
+++ b/resources/phpstan.json
@@ -92,6 +92,19 @@
             "test": "composer global bin phpstan show phpstan/phpstan-symfony",
             "tags": ["phpstan"]
         },
+        {
+            "name": "phpstan-symplify",
+            "summary": "Symplify extension for PHPStan",
+            "website": "https://github.com/symplify/phpstan-rules",
+            "command": {
+                "composer-bin-plugin": {
+                    "package": "symplify/phpstan-rules",
+                    "namespace": "phpstan"
+                }
+            },
+            "test": "composer global bin phpstan show symplify/phpstan-rules",
+            "tags": ["phpstan"]
+        },
         {
             "name": "phpstan-beberlei-assert",
             "summary": "PHPStan extension for beberlei/assert",