diff --git a/composer.json b/composer.json
index fc866f9..4720d1b 100644
--- a/composer.json
+++ b/composer.json
@@ -25,10 +25,10 @@
   "require-dev": {
     "ninjify/nunjuck": "^0.3.0",
     "ninjify/qa": "^0.12.0",
-    "phpstan/phpstan": "^0.12",
-    "phpstan/phpstan-deprecation-rules": "^0.12",
-    "phpstan/phpstan-nette": "^0.12",
-    "phpstan/phpstan-strict-rules": "^0.12"
+    "phpstan/phpstan": "^1.0",
+    "phpstan/phpstan-deprecation-rules": "^1.0",
+    "phpstan/phpstan-nette": "^1.0",
+    "phpstan/phpstan-strict-rules": "^1.0"
   },
   "autoload": {
     "psr-4": {