diff --git a/composer.json b/composer.json
index b3116b7..56f5722 100644
--- a/composer.json
+++ b/composer.json
@@ -26,12 +26,12 @@
     "require": {
         "php": ">=5.6.0",
         "ext-mbstring": "*",
-        "psr/log": "^1.0",
+        "psr/log": "^1.0.1 || ^2.0 || ^3.0",
         "masterminds/html5": "^2.7"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.14",
-        "monolog/monolog": "^1.24|^2.1",
+        "monolog/monolog": "^1.24|^2.1|^3.0",
         "symfony/phpunit-bridge": "^4.4|^5.3|^6.0|^7.0"
     },
     "suggest": {
diff --git a/src/Readability.php b/src/Readability.php
index d6fcbe2..7450f4d 100644
--- a/src/Readability.php
+++ b/src/Readability.php
@@ -186,7 +186,7 @@ class Readability implements LoggerAwareInterface
     /**
      * @return void
      */
-    public function setLogger(LoggerInterface $logger)
+    public function setLogger(LoggerInterface $logger): void
     {
         $this->logger = $logger;
     }