diff --git a/composer.json b/composer.json
index 06dcd94..6ba5a5c 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "phpunit/phpunit": "^8.5",
         "psr/http-factory": "^1.0",
         "squizlabs/php_codesniffer": "^3.5",
-        "phpstan/phpstan": "^0.12.28"
+        "phpstan/phpstan": "^0.12.29"
     },
     "autoload": {
         "psr-4": {