diff --git a/composer.json b/composer.json
index 9786ad9..b9eea5e 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
   "require-dev": {
     "phpro/grumphp": "~1.0",
     "phpunit/phpunit": "^8.0 || ^9.0",
-    "infection/infection": "^0.17",
+    "infection/infection": "^0.20",
     "squizlabs/php_codesniffer": "^3.4",
     "symfony/var-dumper": "^5.1",
     "vimeo/psalm": "^3.14"