diff --git a/composer.json b/composer.json
index 10d6a7b..7a28534 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
     },
     "require-dev": {
         "squizlabs/php_codesniffer": "^3",
-        "phpstan/phpstan": "^0",
+        "phpstan/phpstan": "^1",
         "davidlienhard/coding-standard": "^1"
     },
     "autoload": {
diff --git a/composer.lock b/composer.lock
index f5ba33c..343d61e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "3f2e1e05e6c4db0bc3962dc10b6d5b01",
+    "content-hash": "c1bcd0564f96ae1c53a6dbec095ba4be",
     "packages": [
         {
             "name": "davidlienhard/database",
@@ -285,16 +285,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.12.99",
+            "version": "1.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "b4d40f1d759942f523be267a1bab6884f46ca3f7"
+                "reference": "e9e2a501102ba0b126b2f63a7f0a3b151056fe91"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/b4d40f1d759942f523be267a1bab6884f46ca3f7",
-                "reference": "b4d40f1d759942f523be267a1bab6884f46ca3f7",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/e9e2a501102ba0b126b2f63a7f0a3b151056fe91",
+                "reference": "e9e2a501102ba0b126b2f63a7f0a3b151056fe91",
                 "shasum": ""
             },
             "require": {
@@ -310,7 +310,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "0.12-dev"
+                    "dev-master": "1.0-dev"
                 }
             },
             "autoload": {
@@ -325,7 +325,7 @@
             "description": "PHPStan - PHP Static Analysis Tool",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/0.12.99"
+                "source": "https://github.com/phpstan/phpstan/tree/1.0.2"
             },
             "funding": [
                 {
@@ -345,7 +345,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-09-12T20:09:55+00:00"
+            "time": "2021-11-03T16:09:51+00:00"
         },
         {
             "name": "slevomat/coding-standard",